ABM

Anti-Ballistic Missile

ACD

Advanced Concepts Division

AEGIS

Named for a Class of U.S. Navy Cruiser

AFB

Air Force Base

AFSAT

Air Force Satellite

AFSATCOM

Air Force Satellite Communications

AIAA

American Institute of Aeronautics & Astronautics

ANNA

Army-Navy-NASA-Air Force

APL

Applied Physics Laboratory

ARPA

Advanced Research Projects Agency

ASAT

Anti-Satellite

ASN

Assistant Secretary of the Navy

ASW

Anti-Submarine Warfare

ATACMS

Advanced Tactical Missile System

ATP

Advanced Tracking Prototype

B-1

Designation for an Air Force Bomber

BELT

Basic Elint Tracker

BTG

A Company Name (Like TRW)

BuAir

Bureau of Aeronautics

C141/130

Aircraft Designations (Cargo Aircraft)

C17

Aircraft Designation (Latest USAF Cargo Aircraft)

C.W.

Classic Wizard

C3

Command, Control and Communications

C3I

Command, Control, Communications and Intelligence

CCP

Cryptologic Control Program

CIA

Central Intelligence Agency

CINC

Commander-in-Chief

CINCI.ANTFLT

Commander-in-Chief, U.S. Atlantic Fleet

CINCSPACE

Commander-in-Chief, Space

CMPO

Cruise Missile Project Office

CNO

Chief of Naval Operations

CNR

CNA Report

COMINT

Communications Intelligence

CONUS

Continental United States

COSMOS

Designation for Certain Series of  Soviet/Russian Satellites

CRM

CNA Research Memorandum

CUDIXS

Common User Digital Information Exchange Subsystem

DARPA

Defense Advanced Research Project Agency

DCA

Defense Communications Agency

DCI

Director of Central Intelligence

DDR&E

Deputy Director of Research & Engineering

DF

Direction Finding

DIRNSA

Director, National Security Agency

DISCOS

Disturbance Compensation System

DMSP

Defense Meteorological Satellite Program

DNRO

Director, National Reconnaissance Office

DoD

Department of Defense

DRSP

Defense Reconnaissance Support Program

DSCS

Defense Satellite Communication System

DSP

Defense Support Program

DTG

Date Time Group

E-2

Aircraft Designation (Navy Airborne Early Warning)

EA-6

Aircraft Designation (Navy Electronic Warfare)

EHF

Extremely-High Frequency

ELF

Extremely-Low Frequency

ELINT

Electronic Intelligence

ELMS

ELINT Mix Study

EMCON

Emission Control

EMI

Electromagnetic Interference

EORSAT

ELINT Ocean Surveillance Satellite (Soviet)

EP-3

Aircraft Designation (Navy SIGINT Aircraft-Landbased)

ES-3

Aircraft Designation (Navy SIGINT, Carrier Based)

ESM

Electronic Surveillance Measures

F-15

Aircraft Designation (USAF Fighter)

FjID

Aircraft Designation (Fighter)

FBP

Fleet Broadcast Processor

FDOA

Frequency Difference-of-Arrival

FLEETSAT

Fleet Satellite

FLTSATCOM

Fleet Satellite Communications

FY

Fiscal Year

GCCS

Global Command and Control System

GENSER

General Service

GHz

Gigahertz

GI/UK

Greenland, Iceland and United Kingdom

GOES

Geostationary Operational Environmental Satellite

GPS

Global Positioning System

GREB

Codeword for Early Low-Orbit ELINT Satellite

HF

High Frequency

HULTEC

Hull-to-Emitter Correlation Technique

ICBM

Inter-Continental Ballistic Missile

IGY

International Geophysical Year

IMP

Improved

IOC

Initial Operating Capability

IR

Infrared

ITSS

Integrated Tactical Surveillance System

IUSS

Integrated Underwater Surveillance System

JATO

Jet-Assisted Take-Off

JcMPo

Joint Cruise Missile Project Office

JCS

Joint Chiefs of Staff

JsBR

Joint Space-Based Radar

JSTARS

Joint Surveillance and Tracking Radar System

KC-135

Aircraft Designation (USAF Heavy Tanker)

LEASAT

Leased Satellite

LEO

Low-Earth Orbit

LES

Lincoln Labs Experimental Satellite

LORAN

Long-Range Aid to Navigation

LPI

Low-Probability-Of-Intercept

MACSAT

Multiple Access Communications Satellite

MARISAT

Maritime Satellite

MATT

Multi-Mission Airborne Tactical Terminal

MC-130

Aircraft Designation (Special Mission)

MF

Medium-Frequency

MGS

Mission Ground Station

MH-53

Aircraft Designation (Special Mission Helicopter)

MHV

Miniature Homing Vehicle

MHz

Megahertz

MILSTAR

U.S. Military's EHF Communications Satellite

MIT

Massachusetts Institute of Technology

MOL

Manned Orbiting Laboratory

MPA

Maritime Patrol Aircraft

MSD

Multiple Spacecraft Dispenser

NACA

National Advisory Committee for Aeronautics

NAFI

Navy Avionics Facility, Indianapolis

NASA

National Aeronautics and Space Agency

NATO

North Atlantic Treaty Organization

NAVCAMS

Naval Communications Area Master Station

NAVELEXSYSCOM

Naval Electronics System Command

NAVMACS

Naval Modular Automated Communications Sub­system

NAVSECGRU

Naval Security Group

NAVSEG

Navigation Satellite Executive Group

NAVSPASUR

Naval Space Surveillance

NAVSTAR

Navigational System Using Timing and Ranging (GPS)

NELC

Naval Electronics Laboratory Center

NIPSSA

Naval Intelligence Processing System Support Activity

NOAA

National Oceanic and Atmospheric Administration

NOSC

Naval Ocean Systems Center

NRL

Naval Research Laboratory

NRO

National Reconnaissance Office

NRP

National Reconnaissance Program

NSA

National Security Agency

NSPO

Navy Space Program Office

NSTP

Naval Space Technology Panel

NTCOC

Naval Telecommunications Command Operations Center

NTDS

Naval Tactical Data System

OBP

On-Board Processor

OBP/DDL

On-Board Processor/Direct Downlink

OBU

Ocean Surveillance Information System, Baseline Upgrade

ONI

Office of Naval Intelligence

ONR

Office of Naval Research

OPCON

Operational Control

OPELINT

Operational ELINT

OPNAV

Staff Organization of the Chief of Naval Operations

OPSIGINT

Operational Signals Intelligence

OPTEVFOR

Operational Test and Evaluation Force

OSD

Office of the Secretary of Defense

OSIS

Ocean Surveillance Information System

OSMP

Ocean Surveillance Master Plan

OSO

Operational Support Office

OTCIXS

Officer In Tactical Command Information Exchange Subsystem

OTH-T

Over-the-Horizon Targeting

P-3

Aircraft Designation (Navy Land-Based Maritime Patrol Aircraft)

P-to-P

Point-to-Point

PAC

Pacific

PAWS

Prototype Analyst Work Station

PM 16

Program Manager 16

PME 116

Program Manager (Electronics) 116

POST

Prototype Ocean Surveillance Terminal

PRF

Pulse Repetition Frequency

Program A

Former NRO Program Office Run by USAF

Program B

Former NRO Program Office Run by CIA

Program C

Former NRO Program Office Run by Navy

PSAC

Presidential Science Advisor Committee

R&D

Research and Development

RADM

Rear Admiral

Rand

Rand Corporation

RAP

Record and Playback

RDT&E

Research, Development, Test, and Evaluation

RF

Radio Frequency

RORSAT

Radar Ocean Surveillance Satellite (Soviet)

RRC

Regional Reporting Center

RUK

Reconnaissance-Strike Complex

S-3

Aircraft Designation (Navy Carrier-Based ASW)

SAC

Strategic Air Command

SALT

Strategic Arms Limitation Treaty

SAMOS

Satellite and Missile Observation System

SAPO

System Applications Program Office

SBR

Space Based Radar

SBWAS

Space-Based Wide Area Surveillance

SCUD

NATO Designation for Soviet Designed Surface-to-Surface Missile

SDIO

Strategic Defense Initiative Office

SECDEF

Secretary of Defense

SELOR

Selected Emitter Location Reports

SHF

Super-High Frequency

SI

Special Intelligence

SIGINT

Signals Intelligence

SINS

Ships Inertial Navigation System

SOI

Signal of Interest

SOLRAD

Solar Radiation

SORS

Satellite Overhead Reconnaissance Subcommittee

SOSS

Satellite Ocean Surveillance System

SP

Special Project

SPASUR

Space Surveillance System

SPAWAR

Space and Naval Warfare Systems Command

SPNR

Special Project Night Raider

SPO

System Project Office

SSBN

Designation for Nuclear Strategic Ballistic Missile Submarine

SSIXS

Submarine Satellite Information Exchange Subsystem

TACINTEL

Tactical Intelligence

TACSAT

Tactical Satellite

TADIXS

Tactical Data Information Exchange System

TADIXS-B

Tactical Data Information Exchange System-B

TAMPS

Targeting and Mission Planning System

TASM

Tomahawk Anti-Ship Missile

TDL

Tactical Downlink

TDOA

Time-Difference-Of-Arrival

TDS

Tactical Data System

TEAMS

Tactical ELINT Analysis & Mission Planning System

TENCAP

Tactical Exploitation of National Capabilities

TFCC

Tactical Flag Command Center (Shipboard)

TIMATION

Time and Navigation

TIP

Transit Improvement Program

TLAM

Tomahawk Land-Attack Missile

TOA

Time-of-Arrival

TOPS

Tactical On-Board Processing System

TRAP

Tactical and Related Applications

TRE

Tactical Receive Equipment

TT&C

Tracking, Telemetry, and Control

TWCS

Tomahawk Weapons Control Station

U-2

Aircraft Designation (High-Altitude Reconnaissance)

U.S.

United States

UH-60

Aircraft Designation (Helicopter)

UHF

Ultra-High Frequency

USIB

U.S. Information Bureau

USL

Underwater Sound Laboratory

USSR

Union of Soviet Socialists Republics

VADM

Vice Admiral

VLF

Very-Low Frequency

VT

Designation for a Proximity Fuse

WWII

World War II

XOS-19

Predecessor to "Clipper Bow"