S  Secret
/s/  Signature
S-1  Personnel Staff Officer
S-2  Intelligence Staff Officer; Brigade, Battalion, and Armored Cavalry
S-3  Operations Staff Officer
SA  (1) Logistics Staff Officer; (2) Special Access; (3) Situational Awareness (4) Signals Analysis; (5) Surface-to-Air; used to identify FSU Surface-to-Air Missiles, e.g., SA-7/GRAIL; (6) Situation Assessment; (7) Security Assistance; (8) Special Agent; (9) Stand Alone; (10) Secretary of the Army; (11) Systems
Administrator; (12) Strategic Attack
SAA  (1) Special Area Assessments; (2) Strategic Air Army
SAAC  Strategic Analysis Applications Center
SAAM  Special Assignment Airlift Mission
SAASE  Standard Data Element-Based Automated Architecture Support Environment
SACC  Supporting Arms Coordination Center
SACCS  Strategic Air Command Automated Command & Control System
SACS  (1) Secure Access Control System; (2) STU-III Access Control System
SAE  Service Acquisition Executive
SAB  Subject as Above
SAC  (1) Strategic Air Command; (2) Scientific Advisory Committee; (3) Senate Appropriations Committee
SACDIN  SAC Digital Network
SACEUR  Supreme Allied Commander, Europe (NATO)
SACLANT  Supreme Allied Commander, Atlantic (NATO)
SACLANTREPEUR  SACLANT Representative in Europe
SACOM  Southern Area Command
SACOS  SAC Operational Staff
SACWARNS  (1) Strategic Air Command Indications and Warning; (2) SAC Warning System
SADARM  Sense and Destroy Armor
SADF  South African Defense Force
SADO  Senior Air Defense Officer
SADT  Structured Analysis Design Technique
SAEDA  Subversion and Espionage Directed Against the Army
SAF  (1) Soviet (FSU) Air Force; (2) Source Acquisitions File; (3) Secretary of the Air Force; (4) US Air Force Staff
SAFE  (1) Support for the Analysts’ File Environment; (2) Selected Area for Evasion
SAFF  Safing, Arming, Fuzing, and Firing
SAF/O/T  Security Assistance Force/Organization/Team
SAG  (1) Study Advisory Group; (2) Surface Action Group; (3) Strategic Advisory Group
SAGE  Semiautomatic Ground Environment (Radar)
SAI  Strategic Command Administrative Instruction
SAIB  Safe Area Intelligence Brief
SAID  Safe Area Intelligence Description
SAIS  Strategic Aerospace Intelligence System
SAL  (1) Strategic Arms Limitation; (2) Submarine Alerting and Locating
SALT  (1) Strategic Arms Limitation Talks; (2) Supporting Arms Liaison Team
SALUTE  Size, Activity, Location, Unit, Time, Equipment (spot report format)
SAM  (1) Surface-to-Air Missile; (2) Summary Assessment Matrix
SAMOB  Surface-to-Air Missile Order of Battle
SAMSO  Space And Missile System Organization
SAMT  State of the Art Medium Terminals
SAO  (1) Special Access/Activities Office; (2) Select Attack Option; (3) Special Access Only; (4) Security Assistance Organization; (5) Security Assistance Office
SAOB  FSU Air Order of Battle
SAOC  (1) Space Actions Officers Course; (2) Sector Air Operations Center
SAOCS  Submarine/Aircraft Optical Communications System
SAP  (1) Special Access Program; (2) System Acquisition Plan
SAPAS  Semiautomatic Population Analysis System
SAR  (1) Search and Rescue; (2) Synthetic Aperture Radar; (3) Special Access Required; (4) Sea-Air Rescue
SARC  Surveillance and Reconnaissance Center
SARDA  Secretary of the Army for Research, Development and Acquisition
SARP  Storage and Retrieval Processor
SARPF  Strategic Air Relocatable Processing Facility
SARSAT  Search and Rescue Satellite-Aided Tracking
SART  Strategic Aircraft Recovery Team
SARV  Strategic Aerospace Reconnaissance Vehicle
SAS  (1) Strategic Area Study; (2) Strategic Aerospace Summary; (3) Special Activities Squadron; (4) Support to Analyst Subsystem; (5) Survivable Adaptive Systems
SASC  Senate Armed Services Committee
SASM  Strategic Air-to-Surface Missile
SASS  (1) Small Aerostat Surveillance System; (2) Systems Acquisition Support Services
SAT  (1) Satellite; (2) Staff Augmentation Team; (3) Satisfactory
SATCOM  Satellite Communications
SATCOMA  Satellite Communications Agency (U.S. Army)
SATKA  Surveillance, Acquisition, Tracking, and Kill Assessment
SATRAN  (1) Satellite Reconnaissance Advanced Notice; (2) Satellite Transmission
SATS  Southwest Asia Telecommunications System
SATVUL  Satellite Vulnerability
SAVE  Situation Analysis and Vulnerability Estimate
SAVI  Systems Analysis of Vulnerability to Intrusion
SAWC  Special Air Warfare Center
SAWG  Simulation and Analysis Working Group
SAWIC  Strike and Amphibious Warfare Intelligence Center
SAWS  Submarine Analyst Work Station
SAWVS  Satellite Attack Warning and Verification System
SB  Sentinel Byte
S-BAND  2 to 4 GHz
SBB  Sustained Bare Base
SBI  (1) Special Background Investigation; (2) Space-Based Interceptor
SBIRS  Space-based Infrared Radar System
SBIS  Sustaining Base Information Services
SBKKV  Space-Based Kinetic Kill Vehicle
SBL  Space-Based Laser
SBM  Single-Point Mooring Buoy
SBR  (1) Special Boat Squadron; (2) Space-Based Radar
SBS  Site Backbone Segment
SBSS  Space-Based Surveillance System
SBU  (1) Special Boat Unit; (2) Sensitive but Unclassified
SBWASS  Space-Based Wide-Area Surveillance System
SC  (1) Science Committee (NATO); (2) Signal Corps; (3) Security Code; (4) Signal Company; (5) System Center; (6) Structural Category; (7) Screen Commander or Coordinator; (8) Air Force Communications-Computers Directorate; (9) Submarine Conversion
SCA  Service Cryptologic Agency
SCAD  Subsonic Cruise Armed Decoy
SCAMP  Sensor Control and Management Platoon
SCAMPI  SOF C3I Telecommunications System
SCARE  Standard Collection Asset Request Format
SCATANA  Security Control of Air Traffic and Air Navigation Aids
SCC  (1) Special Coordination Committee; (2) Standing Consultative Commission (SALT); (3) Surveillance Coordination Center; (4) System Control Center; (5) Space Control Center; (6) Service Component Commander
SC CAT  SOUTHCOM Crisis Action Team
SCC(I)  Special Coordination Committee (Intelligence)
SCCP  Single-Channel Command Post
SCCS-R  Single-Channel Collection System - Rear
SCCTV  Secure Closed-Circuit Television
SCDL  Surveillance and Control Data Link (JSTARS)
SCE  Service Cryptologic Element
SCF  Satellite Control Facility
SCF-UK  Save the Children Federation-UK
SCG  Special Consultative Group (NATO)
SCI  (1) Sensitive Compartmented Information or Information Programs; (2) Source Code Indicator
SCIBS  Sensitive Compartmented Information Billet System
SCIC  State Crime Information Center
SCIF  Sensitive Compartmented Information Facility
SCIM  Subject Codes for Intelligence Management
SCIMITAR  System for Countering Interdiction Missiles and Target Radars
SCINET  Sensitive Compartmented Information Network (DoDIIS)
SCIP  Special Communications Intelligence Package
SCIPMIS  Standard Civilian Personnel Management Information System
SCIPS  Sensitive Compartmented Information Processing System
SCIS  Survivable Communication Information System
SCISS  SOUTHCOM Intelligence Support System
SCI-VTC  Sensitive Compartmented Information-Video Teleconferencing
SC J2  USSOUTHCOM J2
SCL  Standard Conventional Load
SCLNO  SOUTHCOM Liaison Officer
SCM  Security Countermeasures
SCN  Satellite Control Network
SCO  (1) Service Cryptologic Organizations; (2) Sub-Control Office
SCOLA  Satellite Communications for Learning
SCORE  Signal Communications by Orbiting Relay Equipment
SCOTT  Single-Channel Objective Tactical Terminal
SCP  Secure Conferencing Project
SCPC  Single Channel per Carrier
SCS  (1) Signal Collection System; (2) Satellite Control Squadron
SCSC  SOUTHCOM Support Center
SCSI  Small Computer Systems Interface
SCT  (1) Single-Channel Terminal; (2) Single-Channel Transponder
SCUBA  Self-Contained Underwater Breathing Apparatus
SCUD  Nickname of a Missile System
SD  (1) Space Director; (2) Standard Displacement; (3) Senior Director; (4) Security Division; (5) Strategic Command Directive
SDA  (1) Ships Destination Authority; (2) Strike Damage Assessment
S&DA  Strike and Damage Assessment
SDB  Space Data Base
SDC  (1) Strategic Dissemination Company; (2) Strategic Defense Command
SDD  Secure Data Device
SDF  Structured Data Fields
SDHS  Satellite Data Handling System
SDI  Strategic Defense Initiative
SDIE  Special Defense Intelligence Estimate
SDIN  (1) Secure Digital Information Network; (2) Special Defense Intelligence Notice
SDIO  Strategic Defense Initiative Organization
SDIS  Switched Digital Integrated Service
SDLC  Synchronous Data Link Control
SDM  Standoff Destructive Munition
SDMA  Spaced Division Multiple Access
SDMS  SINET Data Management System
SDNRIU  Secure Digital Network Radio Interface Unit
SDNS  Secure Data Network System
SDO  System Development Office
SDOB  Scaled Depth of Burst
SDR  (1) Source-Directed Requirements; (2) System Design Review
SDS  (1) Satellite Data System; (2) SIGINT Direct Support; (3) Satellite Dissemination System; (4) Secondary Dissemination System; (5) Strategic Defense System; (6) Switched Data Services; (7) Spatial Data Server; (8) Small Digital Switch
SDV  (1) Swimmer Delivery Vehicle; (2) SEAL Delivery Vehicle
SDVT  SEAL Delivery Vehicle Team
SDYS  Studies
SE  Southeastern
SEA  (1) Southeast Asia; (2) Senior Enlisted Advisor
SEABEE  Navy Construction Battalion Personnel
SEALANCE  Anti-Submarine Warfare Standoff Weapons (ASW/SOW)
SEAD  Suppression of Enemy Air Defense
SEADS  Southeast Air Defense Sector
SEAGA  Selective Employment Air Ground Alert Forces
SEAL  Sea/Air/Land
SEASTAG  SEATO Standardization Agreement
SEATO  Southeast Asia Treaty Organization
SEAWATCH  NOSIC On-Line Computer System
SEC  (1) Second; (2) Section; (3) Submarine Element Coordinator
SECAF  Secretary of the Air Force
SECARMY  Secretary of the Army
SECC  Survivable Enduring Command Center
SECCLEAR  Security Clearance (Management System)
SECDEF  Secretary of Defense
SECNAV  Secretary of the Navy
SECOM  Security Committee
SECS  Survivable and Enduring Communications System
SECSTATE  Secretary of State
SECTY  Security
SED  Simulated Electronic Deception
SEDSCAF  Standard ELINT Data System Codes and Formats
SEE  (1) System Engineering and Evaluation; (2) Softcopy Exploitation Environment
SEEI  Special Essential Elements of Information
SEEK  Soviet Emigre Exploitation Kit
SEI  Specific Emitter Identification
SEIP  Senior Enlisted Intelligence Program
SEIS  Survivable and Enduring Intelligence System
SELA  Latin American Economic System
SELORS  Ship Emitter Locating Reports
SELMON  Selective Monitoring
SEMA  Special Electronic Mission Aircraft
SEMEC  SOF Enhanced Moldable Explosive Change
SEN  (1) Small Extension Node; (2) Space Engagement Node
SEOS  SIGINT/Electronic Warfare Operating System
SEP  (1) Selective Employment Plan (NATO); (2) Separate
SEPA  FSU Extended Planning Annex
SEPS  NATO Selective Employment Plan
SERE  Survival, Evasion, Resistance, and Escape
SERER  Survival, Evasion, Resistance, Escape, and Recovery
SERNO  Serial Number
SES  (1) Surface Effects Ship; (2) Systems Engineering Study; (3) Senior Executive Service; (4) Sensor Employment Squadron; (5) Softcopy Exploitation System; (6) Societe European Des Satellites
SESOCC  Southeastern Sector Operations Control Center
SESS  Space Environment Sensor Suite
SET  Sensor Employment Teams
SETAF  Southern European Task Force
SEVOCCS  Secure Voice Command and Control System
SEVOX  Secure Voice
SEWC  Space and Electronic Warfare Commander
SEWCC  SIGINT/Electronic Warfare Coordination Center
SEWS  (1) Satellite Early Warning System; (2) SIGINT Electronic Warfare Subsystem
SF  (1) Special Forces; (2) Standard Form
SFA  Security Fault Analysis
SFAT  Strategic Forces Advisory Team
SFD  Saturated Flux Density
SFEM  Space Forces Engagement Model
SFG  Special Forces Group
SFG-A  Special Forces Group-A
SFG(A)  Special Forces Group (Airborne)
SFOA  Special Forces Operations Area
SFOB  (1) Special Forces Operating Base; (2) Soviet (FSU) Forces Order of Battle
SFOD  Special Forces Operational Detachment
SFODA  Special Forces Operational Detachments-A
SFOD-D  First Special Forces Operational Detachment-Delta
SFOS  Special Forces Operating System
SFQC  Special Forces Qualification Course
SFR  Statement of Functional Requirement
SFRD  Safe Functional Requirements Document
SFT  Secure Fault Tolerant
SFTL  Strategic Future Targets List
SFUG  Security Features Users Guide
SGB  SOUTHCOM Ground Order of Battle
SGDPS  Second Generation Data Processing System
SGEMP  System Generated Electromagnetic Pulse
SGF  (1) Southern Group of Forces (Soviet Forces in Hungary); (2) Synthetic Aperture Radar Ground Facility
SGS  (1) Secretary to the General Staff; (2) Squadron Ground Station
SGT  (1) Satellite Ground Terminal; (2) Sergeant
SHA  Secure Hast Algorithm
SHAPE  Supreme Headquarters Allied Powers Europe (NATO)
SHARES  Shared HF Resources
SHC  Supreme High Command
SHF  Super High Frequency
SHED  Special Handling and Evaluation Detachment
SHELREP  Shell Report
SHF  Super High Frequency
SHOP  Special Handling for Operations Purposes
SHORAD  Short-Range Air Defense
SI  (1) Special Intelligence; (2) Special Instructions
S&IA  Security and Investigative Activities
SIAB  Senior Imagery Advisory Board
SIAD  Strategic Imagery Analysis Detachment
SIAP  Strategic Intelligence Architecture Program
SIB  Special Intelligence Brief
SIC  (1) Subject Indicator Code (NATO message code); (2) System Integration Configuration
SICAM  SIGINT Control and Analysis Module
SICR  Specific Intelligence Collection Requirement
SID  (1) Secondary Imagery Dissemination; (2) Subscriber Identification
SID(S)  Selective Imagery Dissemination (System)
SIDA  Single Integrated Data Base
SIDAC  Single Integrated Damage Assessment Code
SIDPAC  Strategic Imagery Detachment Pacific
SIDS  Secondary Imagery Dissemination System
SIE  Space Intelligence Element
SIF  Special Interrogation Facility
SIFR  Special Intelligence Functional Requirement
Sig  Signal
SIGCEN  U.S. Army Signal Center
SIG-I  Senior Interagency Group for Intelligence
SIGINT  Signals Intelligence
SIGSEC  Signals Security
SIGSUM  SIGINT Summary
SII  Statement of Intelligence Interest
SIIR  Special Imagery Interpretation Report
SIL  Systems Integration Laboratory
SIM  (1) Sensor Interface Module; (2) Systems Integration Management
SIMIR  USSTRATCOM IDHS Monthly Integration Review
SIMM  Single Inline Memory Module
SIMNET  Single Channel Ground/Airborne Radio Sub-Systems
SIMO  SIM Office
SIMP  Space Intelligence Master Plan
SIMS SOUTHCOM  Intelligence Management System
SINCGARS  (1) Single Integrated Channel Ground and Airborne Radio Subsystems; (2) Single Channel Ground-to-Air Radio System
SINET  Strategic Intelligence Network
SINTER  SIGINT/IMINT Interaction
SIO  (1) Senior Intelligence Officer; (2) Space Intelligence Officer; (3) Ship’s Intelligence Officer
SIOP  Single Integrated Operational Plan
SIORI  Self-Initiated Operational Readiness Inspection
SIPE  Strategic Intelligence Processing Element
SIPRNET Secret Internet Protocol Router Network
SIR  (1) Shuttle Imaging Radar; (2) Specific Information Requirements; (3) Spectrum Interferance Resolution
SIRADS  Shared Imagery Repository and Dissemination System
SIRCS Shipborne Intermediate-Range Combat System
SIREP  Sensitive Information Report
SIRVES  SIGINT Requirements Validation and Evaluation Subcommittee (of SIGINT Committee)
SIS  (1) Significant Indications Summary; (2) Space Intelligence System; (3) Special Intelligence Support; (4) Selective Inquiry System; (5) Special Information System
SISOCS  Army Logistics/Maintenance Depot Data Network
SISR  SIGINT Security Regulation
SISS  (1) Survivable Intelligence Support to SlOP; (2) Subcommittee on Information Systems Security of the NSTISSC
SISUM  Sensitive Information Summary
SIT  Specialized Investigations Team
SITAS  Strategic Industrial Target Analysis Systems
SITDEV  Situation Development
SITMAP  Situation Map
SITREP  Situation Report
SITS  Secondary Imagery Transmission System
SITSUM  Situation Summary
SITTP  (US)STRATCOM Intelligence Tactics, Techniques, and
Procedures for Strategic Operations
SIW  Strategic Intelligence Wing
SJA  Staff Judge Advocate
SJCS  Secretary, Joint Chiefs of Staff
SKCATL  South Korea Conventional Air Target List
SKE  Station-Keeping Equipment
SKYLINK  Communications System Provided by the Diplomatic
Telecommunications System
SKYNET  United Kingdom Military Communications Satellite
SL  Sea Level
SLA  Special U.S. Liaison Advisor
SLAM  Standoff Land Attack Missile (Navy)
SLAR  Side-Looking Airborne Radar
SLAT  Surface-Launched Air-Targeted
SLBM  Submarine-Launched Ballistic Missile
SLC  Space Launch Complex
SLCM  (1) Submarine-Launched Cruise Missile; (2) Sea-Launched Cruise Missile
SLDCOM  Satellite Launch Dispenser Communications
SLED  Safe Low-Energy Detonators
SLEP  Service Life Extension Program
SLF  Super Low Frequency
SLFCS  Survivable Low Frequency Communications System
SLGR  Small Lightweight Global Positioning System Receiver
SLIP  Serial Line Interface Protocol
SLMM  U.S. Submarine-Launched Mobile Mine
SLO  Space Liaison Officer
SLOC  Sea Lines of Communication
SLOC(S)  Sea Line(s) of Communication
SLR  Side-Looking Radar
SLS  Space Launch Squadrons
SLSSM  Submerged-Launched Surface-to-Surface Missile
SLV  Space Launch Vehicle
SM  (1) Memorandum by the Secretary, JCS; (2) Statute Mile; (3) Service Member; (4) Security Monitor; (5) Smart Modules
SMAA  Submarine Movement Advisory Authority
S/MANCO  Space/Missile Analyst NCO
SMANCO  Space/Missile Analyst NCO
SMART-T  Secure Mobile Antijam Reliable Tactical Terminal
SMCC  Survivable Mobile Command Center
SMDPS  Strategic Mission Data Preparation System
SME  Subject Matter Expert
SMEB  Significant Military Exercise Brief
S/MEO  Space/Missile Event Office
SMG  Standard Mail Guard
SMIOC  Senior Military Intelligence Officers’ Conference
SMLM  Soviet (FSU) Military Liaison Mission
SMM  (1) Spatial Model Matching; (2) Special Mission Mandatory Modification
SMO  (1) Support to Military Operations; (2) Senior METOC Officer; (3) Special Mission Optional Modification
SMOB  Strategic Missile Order of Battle
SMOTEC  Special Missions Operational Test and Evaluation Center
SMP  Soviet Military Power (the publication)
SMPAS Space Mission Payload Assessment System
SMR  Sources, Methods, and Rationale
SMS  Stand-Alone Analysis Subsystems
SMTP  Single Mail Transfer Protocol
SMU  Secure Mobile Unit
SNA  (1) Soviet Naval Aviation; (2) System Network Architecture
SNAP  Soviet (FSU) Nuclear Artillery Projectile
SNCCDIPP  Selected Non-Communist Countries DIPP
SNDV  Strategic Nuclear Delivery Vehicles
S/NF  Secret/NOFORN
SNF  (1) Short-Range Nuclear Forces; (2) Secret NOFORN
SNI  Soviet (FSU) Naval Infantry
SNIE  Special National Intelligence Estimate
SNIP  Soviet (FSU) Naval Imagery Panel
SNM  Special Nuclear Materials
SNMS  Security and Network Management Segment
SNO  Special Naval Operations
SNR  Signal-to-Noise
SNS  Shared Network Server
SNUTR  SIGINT Numerical Tasking Register
SO  Special Operations
SO/LIC  Special Operations/Low Intensity Conflict
SOA  (1) Special Operations Aviation; (2) Special Operations Area; (3) Speed of Advance
SOAB  (1) Special Operations Aviation Battalion; (2) Special Operations Aviation Brigade
SOAC  (1) Special Operations Aviation Command; (2) Special Operations Aviation Company; (3) Special Operations Acquisition Center
SOAD  Special Operations Aviation Detachment
SOADS  Special Operations Automated Data System
SOAE  Deputy for Acquisition and Acquisition Executive
SOAG  Special Operations Aviation Group
SOAR  (1) Special Operations Aviation Regiment; (2) Special Operations Analytical Reports
SOARS  Satellite On-Board Attack Reporting System
SOB  Space Order of Battle
SOC  (1) Special Operations Command; (2) Special Operations Capable; (3) Sector Operations Center; (4) Special Operations Craft
SOCACOM  Special Operations Command-Atlantic Command
SOCC  (1) Sector Operational Control Center; (2) Special Operations Control Center
SOCCE  (1) Special Operations Command Communications Element; (2) Special Operations Command and Control Element
SOCCENT  (1) Special Operations Command Center; (2) Special Operations Command Component, CENTCOM
SOCCMO  Special Operations Command Collection Management Office
SOCCS  Special Operations Combat Control Squadron
SOCCT  Special Operations Combat Control Team
SOCDSS  Special Operations Command Deployable Support Set
SOCET  Special Operations Command Extraction Tool
SOCEUR  Special Operations Command, Europe
SOCJIC  United States Special Operations Command Joint Intelligence Center
SOCKOR  Special Operations Command, Korea
SOC-K  Special Operations Command, Korea
SOCLANT  Special Operations Command, Atlantic
SOCLITE  Special Operations Command Laptop
SOCOM  Special Operations Command
SOCOORD  Special Operations Coordination Element
SOCOS  Special Operations Command Operating Staff
SOCPAC  Special Operations Command, Pacific
SOCRATES  Special Operations Command Research, Analysis, and Threat Evaluation System
SOCSIDS  Special Operations Command - Secondary Imagery Dissemination System
SOCSO  Special Operations Command, South
SOCSOUTH  Special Operations Command, South
SOD  Special Operations Detachment
SODARS  Special Operations Debriefing and Retrieval System
SOEAID  Special Operations Executive Aide
SOF  Special Operations Forces
SOF-IV  Special Operations Forces-Intelligence Vehicle
SOF C4I  Special Operations Forces Command, Control, Communications, Computers, and Intelligence
SOF-MOSS  SOF Modular Remote Sensing System
SOFA  Status of Forces Agreement
SOFATS  Special Operations Forces Aircrew Training System
SOFCOM  Special Operations Forces Command
SOF EW  Special Operations Forces Enhanced Weapons
SOFPAC  Special Operating Forces, Pacific
SOFI  Special Operations Forces Improvements
SOF IRIS  Special Operations Forces Imagery Receiver and Intelligence System
SOFIST  Foreign Instrumentation Signals Requirement (a collection management software application)
SOFLAM  Special Operations Forces Laser Acquisition Marker
SOFPARS  Special Operations Forces Planning and Rehearsal System
SOF PLD  Special Operations Forces Protection Laser Defense
SOFPREP  Special Operations Forces Planning, Rehearsal and Execution Preparation
SOF PSA  Special Operations Forces Power Supply Assembly
SOFSA  Special Operations Forces Support Activity
SOFTACS  Special Operations Forces Tactical Assured Connectivity System
SOG  Special Operations Group
SOH  SOF Offensive Handgun
SOHFRAD  Special Operations HF Radio
SOHI  Seminar on Human Intelligence
SOI  (1) Signal Operating Instructions; (2) Signal of Interest; (3) Space Object Identification
SOIC  (1) Space Operational Intelligence Center; (2) Senior Official of the Intelligence Community; (3) Special Operations Intelligence Center
SOICS  Special Operations Improved Cryptographic System
SOIF  Special Operational Intelligence Folders
SOIN  Special Operations Intelligence Notes
SOINT  Staff Officer Intelligence
SOIPS  Special Operations Imagery Production System
SOIS  Special Operations Intelligence System
SOISUM  Space Object Identification Summary
SOIT  Seminar on International Terrorism
SOIWSD  Special Operations Information Warfare Support Demonstration
SOJ  (1) Sea of Japan; (2) Stand-Off Jamming
SOJTF  Special Operations Joint Task Force
SOLANT  South Atlantic
SOLARS  SAC On-Line Analysis and Retrieval System
SOLE  Special Operations Liasion Element
SOLIS  SIGINT On-Line Intelligence (or Information) System
SOLL  Special Operations Low Level
SOLOG  Special Operations Logistics System
SOMA  Status of Mission Agreement
SOME  Satellite Orbit Mission Evaluation
SOMOB  Strategic Offensive Missile Order of Battle
SOMPF  Special Operations Mission Planning Folder
SOMS  Special Operations Media System
SON  Statement of Need
SONAR  Sound Navigation and Ranging
SONET  Synchronous Optical Network
SONI  Seminar on National Intelligence
SONMET  Special Operations Naval Mobile Environmental Teams
SOO  Space Operations Officer
SOP  (1) Standard Operating Procedure(s); (2) Senior Officer Present
SOPE  Special Operations Planning Exercise
SOPEO  Special Operations Program Executive Officer
SOPIF  Special Operations Photographic Interpretation Facility
SOPM  Special Operations Program Manager
SOPPC  Special Operations Photo Processing Cell
SOPPREP  Special Operation Forces Planning, Rehearsal, and Execution System
SOPS  (1) Space Operations Squadron; (2) Special Operations Power Sources
SOR  (1) Specific Orders and Requests; (2) Statement of Requirements
SORD  System Operational Requirements Document
SORDAC  Special Operations Research, Development and Acquisition Center
SORFMS  Special Operations Radio Frequency Management System
SORS  (1) Specific Order or Requests; (2) SIGINT Overhead Reconnaissance Subcommittee
SORTIEALOT  Sortie Allotment
SORTIC  Seminar on Reconnaissance and Technical Information Collection
SORTS  Status of Resources and Training System
SOS  (1) International Distress Signal (2) Squadron Officers’ School; (3) Special Operations Squadron
SOSC  Special Operations Support Command
SOSS  Satellite Ocean Surveillance System
SOSST  Special Operations Small Secure Transceiver
SOST  Special Operations Special Technology
SOSTI  Seminar on Scientific and Technical Intelligence
SOSOS  U.S. Sound Surveillance System
SOT-A  Special or Support Operations Team-Alpha
SOTA  SIGINT Operational Tasking Authority
SOTAS  Standoff Target Acquisition System
SOT-B  Special or Support Operations Team-Bravo
SOTF  (1) Special Operations Task Force; (2) Security Operations Training Facility
SOTSE  Special Operations Theater Support Element
SOTVS  Special Operations Tactical Video System
SOTW  Special Operations Training Wing
SOUTHAM  South America
SOUTHCOM  Southern Command
SOVPACFLT  Soviet Pacific Fleet
SOW  (1) Statement of Work; (2) Special Operations Wing
SOW/TE  Special Operations Weather/Technical Element
SOWG  Special Operations Working Group
SOWT  Special Operations Weather Team
SP  (1) Self-Propelled; (2) Shore Patrol; (3) Security Police
SPA  (1) Special PSYOP Analysis; (2) Special PSYOP Assessment
SPACDEFENSE  Space Defense and Operations/Anti-Satellite (ASAT) Missile System
SPACC  Space Command Center
SPACEAF  Space Air Force (14 AF)
SPACECOM  Space Command (See AFSPACECOM and USSPACECOM)
SPACING  Space Processing and Collection Internals Group
SPAD  Special Advisor
SPADATS  Space Detection and Tracking System
SPADCCS  Space Defense Command and Control System
SPADOC  Space Defense Operations Center
SPADVOS  Spaceborne Direct View Optical Scanner
SPAF  Special Airfield File
SPAIS  South Pacific Air Intelligence System
SPAN  Security Policy Automation Network
SPATS  Strategic Posture and Aerospace Threat Summary
SPB  Special Projects Branch (NATO)
SPC  SIGINT Processing Center
SPCL  Special Purpose Communications Link
SPD  Strategic Posture Display
SPEAR  (1) Signal Processing, Evaluation, Alert and Reporting; (2) SOF Personal Equipment Advanced Requirements
SPEC  Counterterrorism Database
Spec Nav  Special Navy Program
SPECAT  Special Category (Pneumatic Tube Message Precedence)
SPECBOATRON  Special Boat Squadron
SPECBOATUNIT  Special Boat Unit
Spectre  AC-130 H/U Gunship
SPECWAR  Special Warfare
SPETSNAZ  Soviet (FSU) Special Purpose Forces
SPF  (1) Special Purpose Forces; (2) Single Point of Failure
SPG  (1) Self-Propelled Gun; (2) Softcopy Products Group
SPIES  Special Insertion and Extraction System
SPIN  Space Intelligence Notes
SPINS  Special Instructions
SPINTCOM  Special Intelligence Communications (Network)
SPIREP  Spot Intelligence Report
SPIRES  Special Intelligence Reports
SPIRIT  Special Purpose Integrated Remote Intelligence Terminal
SPK  Single Point Key(ing)
SPO  Special Project Officer
SPOC  Space Operations Center
SPOD Sea Ports of Debarkation
SPOE  Sea Ports of Embarkation
SPOT  Satellite Pour l’Observation de la Terre (French)
SPOTREP  Spot Report
SPP  Shared Production Program
SPR  Strategic Petroleum Reserve
SPRAA  Strategic Plans and Research Analysis Agency
SPS  Scratch Pad Store
SPS  Special PSYOP Study
SPSS  Secured Packet Switched Service
SPT  Support
SPTCONF  Support Confirmation
SPTD  Supported
SPTG  Supporting
SPTREQ  Support Request
SQ  (1) Square; (2) Squadron
SQD  Squad
SQDN  Squadron
SQL  (1) Standard Query Language; (2) Structured Query Language
SQN  Squadron
SR  (1) Special Reconnaissance; (2) Short Range; (3) Southern Region; (4) Senior
SRBM  Short-Range Ballistic Missile
SRF  SIGINT Readiness Facility
SRHIT  Small Radar-Homing Intercept Technology (BMD Missile)
SRIG  Surveillance, Reconnaissance, and Intelligence Group
SRIS  Surface Range Imaging System
SROC  Southern Region Operations Center
SRIG  Surveillance, Reconnaissance, and Intelligence Group
SRJOIC  Southern Region Joint Operations Intelligence Center
SRAM  U.S. Short-Range Attack Missile
SRAMII  U.S. Short-Range Attack Missile (XAGM-131A; formerly AASM)
SRAM-T  Short Range Attack Missile - Tactical
SRB  Senior Review Board
SRBM  Short-Range Ballistic Missile
SRC  Strategic Reconnaissance Center
SRCU  SINCGARS Remote Control Unit
SRD  (1) System Requirements Document; (2) Special Research Detachment (U.S. Army)
SRF  (1) Strategic Rocket Forces (USSR); (2) Strategic Reserve Forces; (3) Secure Reserve Force (U.S.); (4) Selected Reserve Force; (5) SIGINT Readiness Facility; (6) SPIRIT Remote Facility (TROJAN)
SRFTL  Secure Reserve Force Target List
SRI  Surveillance, Reconnaissance and Intelligence
SRIG  Surveillance/Reconnaissance Intelligence Group
SRINF  Short-Range, Intermediate-Range Nuclear Forces
SRJOIC  Southern Region Joint Operational Intelligence Center
SRMIS  Southern Region Maritime Intelligence Summary
SRO  Sensitive Reconnaissance Operations
SROE  Standing Rules of Engagement
SRP  (1) Sealift Readiness Program; (2) SIOP Reconnaissance Plan
SRR  (1) Survival, Recovery and Reconstitution; (2) Security Requirements Review
SRS  (1) Strategic Reconnaissance Squadron; (2) Software Requirements Specification
SRSG  Special Representative to the Secretary-General
SRT  (1) Strategic Relocatable Target; (2) Standard Remote Terminals
SRW  Strategic Reconnaissance Wing
SRWG  Standing Requirements Working Group
SS  Attack Submarine
SSA  (1) Security Supporting Assistance; (2) Diesel-Powered Auxiliary Submarine; (3) Special Support Activity; (4) SIGINT Support Activity; (5) Soviet (FSU) Strategic Aviation
SSAN  (1) Social Security Account Number; (2) Nuclear-Powered Auxiliary Submarine
SSB  (1) Ballistic Missile Submarine; (2) Standard Software Base; (3) Single Sideband
SSB  Ballistic Missile Submarine
SSBN  Nuclear-Powered Ballistic Missile Submarine
SSBSC  Single Sideband, Suppress Carrier
SSC  (1) Coastal Submarine; (2) Space Surveillance Center; (3) Surface Support Craft
SSCC  Special Security Communications Center
SSCI  Senate Select Committee on Intelligence
SSD  Strategic Studies Detachment
SSE  Special Security Element
SSES  Ships Signal Exploitation Space
SSF  (1) Software Support Facility; (2) Special Service Force
SSG  (1) Cruise Missile Attack Submarine; (2) Special Security Group
SSGN  Nuclear-Powered Cruise Missile Attack Submarine
SSI  (1) Specialty Skill Identifier; (2) Safety, Security and Intelligence
SSIXS  Submarine Satellite Information Exchange Subsystem
SSJ  Self-Screening Jamming
SSLP  Transport Submarine
SSLSM  Single-Source Logistics Support Manager
SSM  (1) Surface-to-Surface Missile; (2) Midget Submarine
SSM/I   Sensor System Microwave Imager
SSM/T Sensor System Microwave/Temperature
SSMA  Spread Spectrum Multiple Access
SSME  Spread Spectrum Modulation Equipment
SSMO  SIGINT Support to Military Operations
SSMOB  Surface-to-Surface Missile Order of Battle
SSMP  Security System Management Plan
SSN  (1) Nuclear-Powered Attack Submarine; (2) Social Security Number; (3) Space Surveillance Network
SSO  (1) Special Security Office; (2) Special Security Office(r)
SSO-INT  Senior Staff Officer-Intelligence (Canadian)
SSP  (1) SIGINT Support Plan; (2) Scheduled Strike Program (NATO); (3) Single-Shot Probability of Damage; (4) Single-Source Processor; (5) SIOP Support Program
SSP-S  Single Source Processor-SIGINT
SSQ  Auxiliary Submarine, Communications
SSQN  Nuclear-Powered Auxiliary Submarine, Communications
SSR  (1) Radar Picket Submarine; (2) Secondary Surveillance Radar; (3) Special Security SSRS Representative SIGINT Surveillance and Reporting System
SSS  (1) Staff Summary Sheet; (2) Systems Science and Software; (3) System Support Segment; (4) Special Support Section
SSSP  Single-Source SIGINT Processor
SST  (1) Training Submarine; (2) System Specific Threat; (3) Supersonic Transport; (4) Single Subscriber Terminal; (5) Safe Secure Transport; (6) Strategic Support Team; (7) Space Support Team
SSTO  Single-Stage-To-Orbit
SSTS  Space Surveillance and Tracking System
SSUS  Spin-Stabilized Upper Stage
ST  (1) SEAL Team; (2) Strategic Task; (3) Short Tons
S&T  Scientific and Technical
S&TI  Scientific and Technical Intelligence
ST&E  Security Test and Evaluation
STA  Surveillance and Target Acquisition
STACCS  Standard Theater Army Command and Control System
STAMIS  Standard Army Management Information System
STAMP  SOUTHCOM Topographic Augmentation Program
STAMPS  Stand-Alone Message Processing System
STANAG  Standardization Agreement (NATO)
STANAVFORLANT  Standing Naval Force, Atlantic (NATO)
STAN-EVAL  Standardization and Evaluation
STANS  (1) Soviet Tactical Nuclear Study; (2) Space Target Analysis and Networking System
STAP  Science and Technology Advisory Panel
STAR  (1) Surface-to-Air Recovery; (2) System Threat Assessment Report
STARC  State Area Command
STARS  Surveillance, Target Acquisition & Reporting System
STAR-T  SHF Tri-Band Advanced Range Extension Tactical Terminal
START  Strategic Arms Reduction Talks/Treaty
STARTEX  Start Date of an Exercise
STASS  Submarine-Towed Array Surveillance System
STATDM  Statistical Time Division Multiplex
Static RI  Static Infrared Workstation
STATS  Strategic Target Analysis and Tracking System
STATSIONAR  USSR/Russian COMSAT System
STC  (1) Sensitivity Time Control; (2) Short Time Constant (ECCM); (3) SHAPE Technical Center
STCFE  Science and Technology Center Far East
STD  (1) SIGINT Technical Data; (2) Standard
STEL  Stanford Telecommunications
STEP  Standardized Technical Entry Point
STEPS  Scientific and Technical ELINT Processing System
STEPS II  Scientific and Technical ELINT Processing System II
STG  Special Tactical Group
STEL  Secure Telephone
S&TI  Scientific and Technical Intelligence
STIC  (1) Scientific and Technical Intelligence Committee; (2) Scientific and Technical Intelligence Center
STICS  Scalable Transportable Intelligence Communications System
STIFF  Strategic Intelligence Forecast File
STIISP  Scientific and Technical Intelligence Information Services Program
STINT  Science and Technology (S&T) Intelligence
STIR  Scientific and Technical Intelligence Register
STITEUR  Scientific and Technical Information Team, Europe
STK  (1) Satellite Took Kit; (2) Strike
STO  Science and Technology Objectives
STOL  Short Takeoff and Landing
STON  Short Ton
STOPS  Stand-Off Optical System
STOVL  Short Takeoff, Vertical Landing
STP  (1) Space Test Program; (2) Site Transition Plan
Str  Strength
STRAM  Static Random Access Memory
STRAT  Strategic
STRATCOM  Strategic Command
STRATJIC  USSTRATCOM Joint Intelligence Center
STRATLAT  Strategic Command Liaison Assistance Team
STRATMAS  Strategic Message Analysis Server
STRATPAT  Strategic Planning and Analysis Tool
STRED  Standard-Tactical Receive Equipment Display STRICOM Simulations, Training, and Instrumentation Command
STRIKFORSOUTH  Strike Force South
S-TRED  Standard Tactical Receive Equipment Display
STRUM  Standard Technical Reporting Using Modules
STS  (1) Special Training Standard; (2) Special Tactics Squadron; (3) Subcommittee on Telecommunications Security of the NSTISSC
STT  (1) Small Tactical Terminal; (2) Special Tactics Teams; (3) Shore Targeting Terminal
STU  Secure Telephone Unit (STU II & III)
STU-III  Secure Telephone Unit III
STUR  Secure Telephone Unit/Remote
STVD  Southern Theater of Military Operations (FSU)
STW  Strike Warfare
STWC  Strike Warfare Commander
STX  Situational Training Exercise
SUAWACS  Soviet (FSU) AWACS
SUBACS  Submarine Advanced Combat System
SUBLANT  Submarine Forces, Atlantic
SUBOPAUTH  Submarine Operating Authority
SUBORD  Subordinate
SUBPAC  Submarine Forces, Pacific
SUCCESS  Secure UHF Computer Controlled Equipment Subsystems
SUG  SAFE Users Group
SUM  (1) Surface-to-Underwater Missile; (2) Structural Usage Monitor
SUMS  Structural Usage Monitor System
SUPCOM  Support Command
SUPINTREP  Supplementary Intelligence Report
SUPIR  (1) Supplemental Photographic Interpretation Report; (2) Supplemental Phase Interpretation Report
SUPNAVFOR  Supporting Naval Force
SUPPLOT  Supplemental Plot
SUPREMS  Supplemental Preliminary Mission Summary
SUPT  Superintendent
SURAN  Southeastern Universities
SURFSHIP  Surface Ship
SURFWARDEVGRU  Surface Warfare Development Group
SURTASS  Surveillance Towed Array Sonar System (U.S.)
SURV  Surveillance
SUSLAK  Special U.S. Liaison Activity Korea
SUSLO  Special U.S. Liaison Officer
SV  (1) Secure Voice; (2) Special View
SVC  Service
SVCN  Secure Voice Conferencing Network
SVD  Soviet Sniper Rifle
SVGA  Super Video Graphics Adapter
SVIP  Secure Voice Improvement Program
SVOD  Soviet Aircraft Navigation and Landing System
SVS  Secure Voice System
SVTC  Secure Voice Teleconferencing
SVTS  Secure Video Teleconferencing System
SW  (1) Short Wave; (2) Surface Warfare; (3) Software; (4) Strategic Wing
S&W  Surveillance and Warning
SWA  (1) Southwest Asia; (2) Southwest Africa; (3) Standoff Weapons Assembly; (4) Senior Warning Analyst; (5) Senior Weather Analyst; (6) Secure Work Area
SWADII  Southwest Asia Defense Information Infrastructure
SWAL  Shallow-Water Attack Craft, Light
SWAM  Shallow-Water Attack Craft, Medium
SWAT  SOCRATES WS/LAN Analysis Testbed
SWB  Southwest Border
SWC  (1) Special Warfare Center (U.S. Army); (2) Special Warfare Craft; (3) Strategic Warfare Center; (4) Strategic Warning Center; (5) Space Warfare Center
S&WC  Surveillance and Warning Center/Control
SWCL  Special Warfare Craft, Light
SWCM  Special Warfare Craft, Medium
SWCS  Special Warfare Center and School
SWE  Sweden
SWHQ  Static War Headquarters
SWI   Special Weather Intelligence
SWIR   Short Wave Infrared
SWIRTERCAT  SWIR Terrain Categorization
SWIS  Survivable Wartime Intelligence System
SWO  (1) Special Weapons Officer; (2) Staff Weather Officer; (3) Senior Watch Officer
SWORD  Submarine Warfare Operations Research Department
SWP  Standing Warning Program
SWPS  Space & Weapons Systems SIGINT Working Group
SWR  Southwest Region
SWRS  Slow-Walker Reporting System
SWSC  Space Warning Systems Center
SWTMO  SW Theater of Military Operations
SYBASE  A Collection Requirements Database
SYDET  Sympathetic Detonator
SYDP  Six-Year Defense Plan
SYG  Secretary General
SYNCOM  Synchronous Communications Satellite
SYRACUSE  Systeme de Radio Communication Utilisant un Satellite
SYRUP  System Resource Utilization Package
SYS  System(s)
SYSADM  System Administrator
SYSADMIN  Systems Administration Technical Assistant
SYSCON  Systems Control
SYSOPR  System Operator