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H-L
H/W
Hardware
HAMPS
Host AUTODIN Message Processing System
HAP
Host Access Protocol
HBM
Human Behavior Modeling
HBTWG
Human Behavior Technology Working Group
HBV
Human Behavior Variables
HCI
Human-Computer Interaction; Human-Computer Interface
HD
Hard Disk; High Density
HDF
Hierarchical Data Format
HDL
Harry Diamond Laboratories
HDLC
High-Level Data Link Control Protocol
HDR
High-Data-Rate
HDS
High Definition Systems
HDTV
High Definition Television
HDU
Helmet Display Unit
HEFS
Hierarchical Environmental Feature Structure
HELIPAC
Helicopter-Piloted Air Combat Model
HERO
Heuristic Route Organization
HF
High Frequency
HFE
Human Factors Engineering
HFEA
Human Factors Engineering Analysis; Human Factors Engineering Assessment
HITL
Human-In-The-Loop; Hardware-In-The-Loop
HLA
High-Level Architecture
HMD
Helmet-Mounted Display
HMI
Human-Machine Interface
HMMRSS
Helmet-Mounted Mission Rehearsal Simulation System
HMS
Helmet-Mounted Sight
HMS/DS
Helmet-Mounted Sight/Display System
HMU
Helmet-Mounted Unit
HOL
High Order Language
HOM
Higher Order Model
HOTMAC
High Order Turbulence Model for Atmospheric Circulations
HPC
High Performance Computer; High Performance Computing
HPCC
High Performance Computing and Communications
HPCCIT
High Performance Computing, Communications, and Information Technology
HPCMP
High Performance Computing Modernization Program
HPMWAM
High Power Microwave Weapon Assessment Model
HPPI
High Performance Parallel Interface
HQ
Headquarters
HRCP
High Resolution Cloud Prognosis Model
HRIS
Human Resource Information System
HS
High Speed
HSC
Human Systems Center (Air Force)
HSCBM
Human Social Culture Behavior Models
HSDC
High Speed Digital Chart
HSI
Human Systems Integration; High speed Serial Interface
HTML
Hyper Text Mark-Up Language
HTTP
Hyper Text Transfer Protocol
HTU
Handheld Terminal Unit; Handheld Thermal Unit
HUMINT
Human Intelligence
HW/SWIL
Hardware/Software-in-the-Loop
HWIL
Hardware-in-the-Loop
HYTIME
Hypermedia/Time-Based Structuring Language
I
I-CLCGF-CBS
Integrated CLCGF Combat Battle Simulation
I-CRRA
Integrated Capabilities Review and Risk Assessment
I-Plan
Implementation Plan
I/DBTWG
Information/Database Technology Working Group
I/ITSEC
Interservice/Industry Training, Simulation, and Education Conference
I&M
Improvement and Modernization
I3
Intelligent Integration of Information
IA
Information Assurance
IAC
Information Analysis Center
IADS
Integrated Air Defense System
IAS
Intelligence Analysis System
IAVM
Information Assurance Vulnerability Management
IC
Individual Combatant; Image Computer; Integrated Circuit; Intelligence Community
ICA
Integrated Communications Architecture
ICASE
Integrated Computer-Aided Software Engineering
ICATT
Intelligent Computer-Assisted Training Test Bed
ICC
Integrated Control Center
ICCOG
Intelligence Community Coordination Group
ICD
Interface Control Document
ICDB
Integrated Communications Database
ICM
Intelligence Correlation Model
ICMP
Internet Control Message Protocol
ICOC
Integrated Combat Operations Center
ICODES
Integrated Computerized Deployment System
ICOM
Input, Control, Output, and Mechanism
ICW
Interactive Courseware
IDB
Integrated Database
IDBEF
Integrated Database Extract Format
IDBTF
Integrated Database Transaction Format
IDEA
Integrated Design/Engineering Aide
IDEEAS
Interactive Distributed Early Entry Analysis Simulation
IDEF
Integration Definition
IDEF0
Integration Definition for Function Modeling
IDEF1X
Integration Definition Language for Information Modeling
IDHS
Intelligence Data Handling System
IDIQ
Indefinite Delivery Indefinite Quantity
IDL
Interface Definition Language; Interface Design Language
IDM
Improved Data Modem; Information Dissemination Management
IDP
Initial Domain Part
IDPS
Integrated Database Preparation System
IDRL
Integrated Data Requirements List
IEC
International Electrotechnical Commission of ISO
IEEE
Institute of Electrical and Electronics Engineers
IER
Information Exchange Requirement
IFIP
International Federation for Information Processing
IFM
Ionospheric Forecast Model
IFOR
Intelligent Forces
IG
Image Generator
IGES
Initial Graphics Exchange Standard; Initial Graphics Exchange Specification
IGO
Inter-Governmental Organization
IGOSS
Industry/Government Open System Specification
IHADSS
Integrated Helmet and Display Sight System
IIS
Intelligence Information System
IM
Information Management
IMA
Information Mission Area
IMAG
Information Management and Analysis Group
IMB
Interoperability Management Board
IMD
Information Management Directorate
IMDS
Integrated Maintenance Data System
IMINT
Imagery Intelligence
IMIT
Interoperability Management Information Tool
IMP
Information Management Plan
IMR
Information Management Representative
IMS
Information Management System
IMSP
Information Management Support Plan
INCA
Intelligence Communications Architecture
INCOMMS
Individual Combatant M&S
INFOCON
Information Operations Condition
INFORMS
Institute for Operations Research and Management Science
INFOSEC
Information Security
INMARSAT
International Maritime Satellite
INMS
Integrated Network Management System
INST
Information Standards and Technology Standardization
InterTEC
Interoperability Test and Evaluation Capability
INX
Information Exchange
IO
Information Operations; input/output
IOC
Initial Operational Capability; Industrial Operations Command (Army)
IODA
Information-Oriented Decision Architecture
IOT&E
Initial Operational Test and Evaluation
IP
Internet Protocol; Information Processor; Image Processor
IPA
Imagery Product Archive
IPB
Intelligence Preparation of the Battlefield
IPC
Information Policy Council
IPM
Interpersonal Messaging
IPMS
Interpersonal Messaging System
IPPM
Integrated Product Process Model
IPR
In-Process Review
IPS
Illustrative Planning Scenarios; Interim Polar System
IPTL
Integrated Priority Target List
IPv4
Internet Protocol Version 4
IPv6
Internet Protocol Version 6
IR&D
Independent Research and Development
IRDS
Information Resource Dictionary System
IRIAC
Infrared Information Analysis Center
IRIAM
Integrated Radar and Infrared Analysis and Modeling
IRIG
Inter-Range Instrumentation Group
IRIS
Inter-netted Range Interactive Simulations
IRM
Information Resource Management
IS
Information System; International Standardization; Interface Specification; International Staff (NATO); Information Superiority
ISA
Integrated Support Activity; Information System Architecture; Industry Standard Architecture
ISAT
Information Science and Technology
ISATS
Information System ADP Tracking System
ISC
Information Systems Command (Army)
ISDN
Integrated Services Digital Network
ISEE
Integrated Software Engineering Environment
ISEM
Integrated Space Environmental Model
ISG
Industry Steering Group
ISGMS
Industry Steering Group on M&S
ISLE
Integrated Simulation Language Environment
ISM
Industrial, Scientific, and Medical
ISMC
Imagery Standards Management Committee
ISO
International Organization for Standardization
ISR
Intelligence, Surveillance, and Reconnaissance
ISSA AV
Integrated Space Situational Awareness - Analyst Version
ISSAA
Information Systems Selection and Acquisition Agency
ISSC
Information Systems Software Center
ISSM
Information Systems Security Manager
ISSO
Information System Security Officer
ISSPM
Information Systems Security Program Manager
IT
Information Technology
ITAM
Interdiction Tanker Analysis Model
ITD
Interim Terrain Data; Interim Terrain Database
ITDN
Integrated Tactical Data Network
ITEM
Integrated Theater Engagement Model
ITEMM
Integrated Terrain-Environment-Multipath Model
ITEMS
Interactive Tactical Environment Management System
ITMRA
Information Technology Management Reform Act
ITN
Identification Tasking and Networking
ITPB
Information Technology Policy Board
ITRI
Information Technology Reuse Initiative
ITRUS
Information Technology Reuse
ITS
Individual Training Standards; Intelligent Tutoring System
ITSDN
Integrated Tactical/Strategic Data Network
ITSPO
Information Technology Standards Program Office
ITTS
Instrumentation Targets and Threat Simulators
ITU
Information Transport Utility
ITV
Interactive Television
ITVGS
Interactive Television Generic Server
IUSS
Integrated Unit Simulation System
IV&V
Independent Verification and Validation
IVEPSS
Immersive Virtual Environment Prototyping Simulation System
IVIS
Inter-Vehicular Information System
IW
Information Warfare; Irregular Warfare
IWG
Interface Working Group
IWS
Imagery Work Station
IWSDB
Integrated Weapon Systems Database
IWSS
Interactive Weapon System Simulation
J
J-2
Intelligence Directorate of a Joint Staff
J-3
Operations Directorate of a Joint Staff
J-4
Logistics Directorate of a Joint Staff
J-5
Plans Directorate of a Joint Staff
J-6
Communications System Directorate of a Joint Staff
J-SPACES
Joint Space Combat Environment Simulation
JAC
Joint Analysis Center
JACG
Joint Aeronautical Commanders Group
JACTS
Joint Aircrew Combat Training System
JADS
Joint Advanced Distributed Simulation
JADS-I
Joint Advanced Distributed Simulation-Improved
JADS/JFS
Joint Advanced Distributed Simulation Joint Feasibility Study
JAFLME
Joint Automated Field Logistics Model for Employment
JAMC
Joint Amphibious Mine Countermeasure
JANNAF
Joint Army, Navy, NASA, Air Force
JANUS-A
Joint Army-Navy Uniform Simulation-Army
JAWS
Joint Analytic Warfare Systems
JBC
Joint C4ISR Battle Center
JC2WC
Joint Command and Control Warfare Center
JC3IEDM
Joint C3 Interface and Exchange Data Model
JCALS
Joint Computer-Aided Acquisition and Logistics Support
JCAS
Joint Command and Control Attack Simulation
JCATS
Joint Conflict and Tactical Simulation
JCCC
Joint Communications Control Center
JCCD
Joint Camouflage, Concealment, and Deception
JCG
Joint Commanders Group
JCG(T&E)
Joint Commanders Group (Test and Evaluation)
JCIDS
Joint Capabilities Integration and Development System
JCISA
Joint Command Information Systems Activity
JCM
Joint Conflict Model
JCMO
Joint CALS Management Organization
JCOS
Joint Countermine Operational Simulation
JCS
Joint Chiefs of Staff
JCSE
Joint Command Support Element; Joint Communications Support Element
JCSS
Joint Communications Simulation System
JCTD
Joint Capability Technology Demonstration
JDA
Japan Defense Agency
JDAL
Joint Duty Assignment List
JDBE
Joint Database Elements
JDC
Joint Doctrine Center (See also JWFC)
JDISS
Joint Deployable Intelligence Support System
JDL
Joint Director of Laboratories
JDN
Joint Data Network
JDS
Joint Data Support
JDSS
Joint Decision Support System
JEAP
Joint Electronic Analysis Program
JECEWSI
Joint Electronic Combat Electronic Warfare Simulation
JEDMICS
Joint Engineering Data Management Information and Control System
JECG
Joint Exercise Control Group
JEL
Joint Electronic Library
JEPES
Joint Engineering Planning and Execution System
JESS
Joint Exercise Support System
JETTA
Joint Environment for Testing, Training, and Analysis
JEWC
Joint Electronic Warfare Center(See also JC2WC)
JFACC
Joint Force Air Component Commander
JFAST
Joint Flow and Analysis System for Transportation
JFC
Joint Force Commander
JFCC
Joint Functional Component Commands
JFMO
Joint Frequency Management Office
JIC
Joint Intelligence Center
JIEO
Joint Interoperability and Engineering Organization
JIMB
Joint Information Management Board
JINTACCS
Joint Interoperability of Tactical Command and Control System
JIOC
Joint Information Operations Center
JIPTL
Joint Integrated Prioritized Target List
JITC
Joint Interoperability Test Command
JITF
Joint Integration Test Facility
JKDDC
Joint Knowledge Development and Distribution Capability
JKO
Joint Knowledge Online
JLASS
Joint Land, Aerospace, and Sea Simulation
JLC
Joint Logistics Commanders
JLOG
Joint Task Force Logistics Management Information System
JLOTS
Joint Logistics Over The Shore
JLVC
Joint Live, Virtual, Constructive
JMASS
Joint M&S System
JMCIS
Joint Maritime Command Information System
JMEM
Joint Munitions Effectiveness Manual
JMETC
Joint Mission Environment Test Capability
JMETL
Joint Mission Essential Task Lists
JMSEL
Joint Master Scenario Events List
JMSWG
Joint Multi-TADIL Standards Working Group
JMUL
Joint Master Unit List
JNCC
Joint NETOPS Control Center
JNETS
Joint Network Simulation
JOA
Joint Operations Area
JOC
Joint Operations Center
JOISIM
Joint Operations Information Simulation
JOPES
Joint Operation Planning and Execution System
JOTS-VIDS
Joint Operations and Tactical System-Visually-Integrated Data System
JOUST
Joint Operations on Urban Synthetic Terrain
JOVE
Joint Operations Visualization Environment
JP
Joint Publication
JPG
Joint Planning Group
JPL
Jet Propulsion Laboratory
JPO
Joint Program Office
JPSD
Joint Precision Strike Demonstration
JQRR
Joint Quarterly Readiness Review
JRFL
Joint Restricted Frequency List
JRISS
Joint Recruiting Information Support System
JRMB
Joint Requirements and Management Board
JROC
Joint Requirements Oversight Council
JRSOI
Joint Reception, Staging, Onward Movement, and Integration
JRTC
Joint Readiness Training Center
JSAN
Joint Staff Automation of the Nineties
JSEAD
Joint Suppression of Enemy Air Defense
JSF
Joint Strike Fighter
JSIPS
Joint Services Imagery Processing System
JSME
Joint Spectrum Management Element
JSMMPG
Joint Services Medical Modeling and Planning Group
JSOR
Joint Service Operational Requirement
JSOW
Joint Stand-Off Weapon
JSP
Joint Service Program
JSPS
Joint Strategic Planning System
JSRB
Joint Software Review Board
JSSA
Joint Stealth Strike Aircraft
JSTARS
Joint Surveillance and Target Attack Radar System
JSTASL
Joint Scenario Tool Architecture and Script Language
JSTE
Joint Services Training Exercise
JT&E
Joint Test and Evaluation
JTA
Joint Technical Architecture
JTAGS
Joint Tactical Ground Station
JTAMS
Joint Tactical Missile Signatures
JTASC
Joint Training, Analysis, and Simulation Center
JTAV
Joint Total Asset Visibility System
JTC
Joint Technical Committee; Joint Training Confederation
JTC3A
Joint Tactical Command, Control, and Communications Agency
JTCTS
Joint Tactical Combat Training System
JTEN
Joint Training and Experimentation Network
JTF
Joint Task Force
JTF-GNO
Joint Task Force-Global Network Operations
JTFS
Joint Task Force Simulation
JTIDS
Joint Tactical Information Distribution System
JTIEC
Joint Training Integration and Evaluation Center
JTLS
Joint Theater-Level Simulation
JTMP
Joint Training Master Plan
JTP
Joint Training Program
JTS
Joint Tactical Simulation; Joint Training System
JTSP
Joint Training Simulation Plan
JTSSG
Joint Telecommunications Standards Steering Group
JTWSG
Joint Theater of War Scenario Generator
JUDI
Joint Universal Data Interpreter
JULLS
Joint Universal Lessons Learned System
JUSTIS
Joint Uniform Services Technical Information System
JVIDS
Joint Visually Integrated Display System
JVL
Joint Virtual Laboratory
JVM
Java Virtual Machine
JVMF
Joint Variable Message Format
JWAC
Joint Warfare Analysis Center
JWCA
Joint Warfighting Capability Assessment
JWFC
Joint Warfighting Center
JWICS
Joint Worldwide Intelligence Communications System
JWID
Joint Warrior Interoperability Demonstration
JWSOL
Joint Warfare Simulation Object Library
JWSTP
Joint Warfighting Science and Technology Plan
K
Ka
Kurtz-Above Band
KA
Knowledge Acquisition
KASC
Korean Air Simulation Center
KBE
Knowledge-Based Extraction
KBI
Knowledge-Based Information
KBLPS
Knowledge-Based Logistics Planning Shell
kbps
kilobits per second
KBS
Knowledge-Based System
KBSC
Korean Battle Simulation Center
KDEC
Kinetic Energy Weapons Digital Emulation Center
KDR
Kill/Detection Ratio
KE
Knowledge Engineering
kHz
Kilo Hertz
KI
Knowledge Integration
KIPPL
Key Intelligence Programs Priority List
KM
Knowledge Management
KNACK
Knowledge Acquisition Kernel
KOPS
Kilo Operations per Second
KPP
Key Performance Parameters
KRS
Knowledge Retrieval System
KSS
Knowledge Support System
Ku
Kurtz-Under Band
KWIC
Key Word In Context
KWOC
Key Word Out of Context
L
LAD
Logistics Anchor Desk
LAM
Louisiana Maneuvers
LAN
Local Area Network
LANACS
Local Area Network Asynchronous Connection Server
LAPM
Link Access Procedure for Modems
LASER
Light Amplification by Stimulated Emission of Radiation
LAT
Local Access Terminal
LAU
LAN Access Unit
LAWN
Local Area Wireless Network
LBJS
Littoral Battlespace Joint Service
LBTS
Lower Bound on the Time Stamp
LCC
Life-Cycle Cost
LCCE
Life-Cycle Cost Estimate
LCD
Liquid Crystal Display
LCM
Life-Cycle Management; Life-Cycle Model
LCOM
Logistics Composite Model
LCSEC
Life-Cycle Software Engineering Center
LCSS
Life-Cycle Software Support
LCSSA
Life-Cycle Software Support Activity
LCSSE
Life-Cycle Software Support Environment
LCU
Laptop Computer Unit; Last Cluster Used; Lightweight Computer Unit
LDM
Logical Data Model; Long Distance Modem
LDR
Low-Data-Rate
LEC
Local Exchange Carrier
LED
Light-Emitting Diode
LEE
Leading Edge Environment
LEEGCCS
Leading Edge Environment for the Global Command and Control System
LEM
Language Extension Module
LFF
Logistics Factors File
LFT&E
Live Fire Test and Evaluation
LHN
Long-Haul Network
LIFO
Last In, First Out
LIVID
Language Identification and Voice Identification
LLNL
Lawrence-Livermore National Laboratory
LMS
Learning Management System
LNE
Local Network Element
LOC
Lines of Code; Lines of Communication
LOCAASS
Low-Cost Anti-Armor Submunition Simulation
LOCIS
Library of Congress Information System
LOD
Level of Detail
LOE
Level of Effort
LoF
Loss of Function
LoF (P)
Loss of Function for Personnel
LOGAIS
Logistics Automated Information System
LOGGEN
Logistics Plan Generator
LOGSAFE
Logistics Sustainability Analysis and Feasibility Estimator
LOGSIM
Logistics Simulation
LOTS
Logistics Over The Shore
LOTSSIM
Logistics Over The Shore Simulation
LP
Linear Programming
LPD
Low Probability of Detection
LPI
Low Probability of Intercept
LPM
Lines per Minute
LRC
Learning Resource Center
LRI
Line Replacement Item
LRIP
Low-Rate Initial Production
LRM
Language Reference Manual
LRN
Local Range Network
LRU
Line Replaceable Unit
LSA
Logistics System Analysis
LSB
Least Significant Bit
LSC
Least Significant Character
LSE
Local Subscriber Environment
LSTF
Life Sciences Test Facility
LT2
Live Training Transformation
LVC
Live, Virtual, and Constructive
LVC-IA
Live, Virtual, and Constructive Integrating Architecture
LVC ITE
Live, Virtual, and Constructive Integrated Training Environment
LVCAR
Live, Virtual, Constructive Architecture Roadmap
LWIR
Long Wave Infrared
LWTB
Land Warrior Testbed
LWTC
Littoral Warfare Training Complex
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