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1
A Spec System Specification.
A&T Acquisition and Technology.
A/BPI Ascent/Boost-Phase Interceptor.
A/C Aircraft
A/D (1) Analog to Digital. (2) Arm/Disarm.
A/P Active/Passive
AA Attack Assessment.
AAA (1) Antiaircraft Artillery. (2) Assign Alternate Area. (3) AEGIS Acquisition Agent.
AAAW Air-launched Anti-Armour Weapon (UK RAF term)
AABCP Advanced Airborne Command Post.
AABNCP Advanced Airborne National Command Post.
AACC Airborne Alternate Command Center.
AACT Airborne Atmospheric Compensation and Tracking
AADC Area Air Defense Commander.
AADCOM Army Air Defense Commander.
AAE Army Acquisition Executive.
AAED Advanced Airborne Expendable Decoy
AAFCE Allied Air Forces Central Europe.
AAM Air-to-Air Missile
AAR After Action Review (USA term)
AASERT Augmentation Award for Science and Engineering Research Training.
AASP Advanced Airborne Sensor Platform.
AAT Architecture Analysis Tool.
AAT-PP Architecture Analysis Tool ¨C Post Processor.
AAW Anti-Air Warfare.
AAWC Anti-Air Warfare Commander.
AB Air Base
Abacus Distribute real-time multi-element test environment for HWIL.
ABCCC Airborne Battlefield Command and Control Center.
(US C-130 aircraft)
MDA GLOSSARY, VER. 4.0 A
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ABCS (1) Army Battlefield Command and Control Center. (US C-130 aircraft)
(2) Airborne Communications Command and Control Platform (JFACC term)
ABCT ASARC/BMDARC Coordination Team
ABE Army Background Experiment (flew aboard the LACE spacecraft).
ABIS Advanced Battlespace Information System
ABL (1) Airborne Laser. (2) Aircraft Based Laser. (3) Armored Box Launcher.
Ablative Shield A shield made of material that vaporizes when heated, absorbing thermal energy
and protecting the shielded object from heat damage.
Ablative Shock A mechanical shock wave at the surface of an object exposed to intense pulsed
electromagnetic radiation. A thin layer of the object's surface violently and
rapidly boils off; the resulting vapor suddenly exerts pressure against the
surface, generating a pressure wave at the surface. This shock wave then
propagates through the material and can cause melting, vaporization, spallation,
and structural failure of the object.
ABM Anti-Ballistic Missile.
ABMDA OBSOLETE. Advanced Ballistic Missile Defense Agency.
ABM Treaty Anti-Ballistic Missile Treaty of 1972, signed and ratified by the (former) Soviet
Union and the United States, limiting deployment on each side to one site
comprising 100 interceptors, 100 launchers, and several ground-based radars.
The Treaty also regulates development and testing. In December, 2001,
President George W. Bush announced that the United States would withdraw
from the treaty, which the U.S. did in June 2002
ABM-X-3 A terminal Soviet anti-ballistic missile (ABM) defense system using transportable
phased-array radars and both long and short-range, high acceleration
interceptors similar to the U.S. Sprint. This system was developed and tested in
the 1970¡¯s and early 1980¡¯s.
ABNCP Airborne National Command Post.
ABO Agent of Biological Origin (NBC term).
ABT Air-Breathing Threat.
ACA (1) Airspace Control Authority.
(2) Associate Contracting Agreement (Contracting term).
ACAP Advanced Capabilities.
ACAT Acquisition Category (DD 5000 term).
ACAT I Acquisition Category One
ACBA Airborne Communications Bus Architecture (USAF term).
ACC (1) Air Combat Command (USAF), Langley AFB, VA.
(2) Air Component Commander.
(3) Area Coordination Center. 3
ACCS Air Command and Control System.
Accidental
Launch
An unintended launch which occurs without deliberate national design as a
direct result of a random event, such as mechanical failure, a simple human
error, or an unauthorized action by a subordinate. (USSPACECOM)
ACCS Automated Command and Control System (USN AN/TSQ-73)
ACCT Application of Common Characteristics and Testability (ISA CECOM term).
ACDA Arms Control and Disarmament Agency (US).
ACDS Advanced Combat Direction System (USN term)
ACDT Advanced Concept Technology Demonstration.
ACE (1) Anti-Radiation Missile (ARM) Countermeasure Evaluator.
(2) Aviation Combat Element. (3) Airborne Command Element (USAF).
(4) Allied Command Europe.
ACEC Ada Compiler Evaluation Capability.
ACEIT Automated Cost Estimating Integrated tool.
ACES Arrow Continuation Experiments.
ACETEF Air Combat Environment Test and Evaluation Facility (USAF).
ACM Air Combat Maneuvering.
ACO (1) Administrative Contracting Officer. (1) Airspace Control Order (JFACC term)
ACOM Atlantic Command.
AcoS Army Chief of Staff
ACP (1) Airspace Control Plan (JFACC term).
(2) Army Cost Position.
ACQ Acquisition.
Acquire (1) When applied to acquisition radars, to detect the presence and location
of a target in sufficient detail to permit identification.
(2) When applied to tracking radars, to position radar beam so that a target
is in that beam to permit the effective employment of weapons. (Target
Acquisition.)
Acquisition
(ACQ)
(1) (Sensor) The results of processing sensor measurements to produce
object reports of interest to the system.
(2) (Material) The conceptualization, initiation, design, development, testing,
contracting, production, deployment, logistic support, modification, and
disposal of weapons and other systems, supplies or services to satisfy
DoD needs in support of military missions. Acquisition
Categories
Categories established to facilitate decentralized decision making and execution
and compliance with statutorily imposed requirements. The categories
determine the level of review, decision authority, and applicable procedures.
Acquisition Category I. These are ¡°major defense acquisition programs.¡± They
have unique statutorily imposed acquisition strategy, execution, and reporting
requirements. Milestone decision authority for these programs is: (a) the Under
Secretary of Defense for Acquisition and Technology -- acquisition category ID;
(b) if delegated by the Under Secretary, the Cognizant DoD Component Head --
acquisition category IC; (c) if delegated by the Component Head, the
Component Acquisition Executive.
Acquisition Category II. Milestone decision authority for these programs is
delegated no lower than the DoD Component Acquisition Executive. They have
unique statutorily imposed requirements in the test and evaluation area
Acquisition Category III and IV. The additional distinction of acquisition
categories III and IV allow DoD Component Heads to delegate milestone
decision authority for these programs to the lowest level deemed appropriate
within their respective organizations.
Acquisition
Decision
Memorandum
(ADM)
A memorandum signed by the milestone decision authority that documents
decisions made and the exit criteria established as the result of a milestone
decision review or in-process review.
Acquisition
Field of View
(FOV)
The instantaneous volume viewed by the interceptor¡¯s sensor during the process
of searching its assigned volume.
Acquisition Life
Cycle
Five phases, each preceded by a milestone or other decision point, during which
a system goes through research, development, test and evaluation, and
production. The phases are Concept Exploration and Definition, Demonstration
and Validation, Engineering and Manufacturing Development, Production and
Deployment, Operations and Support.
Acquisition
Logistics
Process of systematically identifying and assessing logistics alternatives,
analyzing and resolving logistics deficiencies, and managing integrated logistics
support throughout the acquisition process.
Acquisition
Management
Management of all or any of the activities within the broad spectrum of
¡°acquisition.¡± Also includes management of the training of the defense
acquisition workforce, and management activities in support of PPBS for defense
acquisition systems/programs.
Acquisition Plan A formal written document reflecting the specific actions necessary to execute
the approach established in the approved acquisition strategy and guiding
contractual implementation. (Federal Acquisition Regulation Subpart 7.1 and
Defense Federal Acquisition Regulation Supplement Subpart 207.1.)
Acquisition
Planning
The process by which the efforts of all personnel responsible for an acquisition
are coordinated and integrated through a comprehensive plan for fulfilling the
need in a timely manner and at a reasonable cost. It is performed throughout
the life cycle and includes developing an overall acquisition strategy for
managing the acquisition and a written acquisition plan.
MDA GLOSSARY, VER. 4.0 A
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Acquisition
Program
A directed, funded effort that is designed to provide a new or improved materiel
capability in response to a validated need.
Acquisition
Program
Baseline (APB)
Acquisition program baselines embody the cost, schedule, and performance
objectives for the program. The APB is approved by the milestone decision
authority milestone reviews as follows:
•Concept Baseline, approved at Milestone I, applied to the effort in Phase I,
Demonstration and Validation.
•Development Baseline, approved at Milestone II, is applied to the effort in
Phase II, Engineering and Manufacturing Development.
•Production Baseline, approved at Milestone III, is applied to the effort in
Phase III, Production and Deployment.
Each baseline must contain objectives for key cost, schedule, and performance
parameters. Objectives are accompanied by minimum requirements called
thresholds. Once signed by the milestone decision authority, APBs may only be
changed at subsequent milestone or program reviews, or with the approval of
the milestone decision authority as a response to an unrecoverable baseline
deviation.
Acquisition
Radar
Radar that searches a spatial volume and identifies potential targets from the
background and non-hostile objects.
Acquisition
Risk
The chance that some element of an acquisition program produces an
unintended result with an adverse effect on system effectiveness, suitability,
cost, or availability for deployment.
Acquisition/
Reacquisition
Time
The time required to establish or reestablish lock on the received signal. This
includes carrier, symbol, frame, code, and crypto synchronization. Acquisition
Strategy
A business and technical management approach designed to achieve program
objectives within the resource constraints imposed. It is the framework for
planning, directing, and managing a program. It provides a master schedule for
research, development, test, production, fielding, and other activities essential
for program success, and, is the basis for formulating functional plans and
strategies (e.g., Test and Evaluation Master Plan, Acquisition Plan, competition,
prototyping, etc.).
Acquisition
Strategy Report
Describes the acquisition approach to include streamlining, sources, competition,
and contract types throughout the period from the beginning of Phase I,
Demonstration and Validation, through the end of production.
Acquisition
Streamlining
Any effort that results in more efficient and effective use of resources to develop
or produce quality systems. This includes ensuring that only necessary and costeffective requirements are included, at the most appropriate time in the
acquisition cycle, in solicitations and resulting contracts for the design,
development, and production of new systems, or for modifications to existing
systems that involve redesign of systems or subsystems.
Acquisition,
Tracking and
Pointing (ATP)
The process of acquiring within a given field of view a target (or targets) and
maintaining a precision track of the same while enabling the pointing of a sensor
or weapon at the target so that it may be destroyed.
ACS (1) Airspace Control System. (2) Attitude Control System. (3) AEGIS Combat
System. (4) Assistant Chief of Staff.
MDA GLOSSARY, VER. 4.0 A
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ACSN Advance Change/Study Notice
ACTD Advanced Concept Technology Demonstration.
ACTE Analytical Communications Test Environment ATD.
ACTEX Advanced Controls Technology Experiment.
Active In surveillance, an adjective applied to actions or equipment, which emit energy
capable of being detected, e.g., radar is an active sensor.
Active Air
Defense
Direct defensive actions taken to nullify or reduce the effectiveness of hostile air
action. It includes such measures as the use of aircraft, air defense weapons,
weapons not used primarily in an air defense role and electronic warfare.
Active
Communications
Security Threat
Threats to an electronic system posed by a capability to disrupt communications
or to seize control or deny positive control of electronic systems to intended
users, e.g., jamming and imitative deception.
Active Defense (1) The employment of limited offensive action and counterattacks to deny a
contested area or position to the enemy. Also Passive Defense.
(2) In-flight intercept and destruction of ballistic missiles and negation of
their warheads.
Active Defense
(TBMD)
Active defense protects against theater missiles by destroying them in flight.
Engagement capability is required throughout all phases of the missile¡¯s
trajectory (boost, post-boost, mid-course, and terminal) to prevent saturation of
point defense, to negate warhead effects, and to ensure minimal leakage in
defending critical assets. Therefore, active defenses must consist of defense in
depth to provide multiple engagement opportunities with differing technologies,
increasing the probability of kill, and countering the enemy¡¯s counter-measure
efforts. Active defenses could consist of space-, air-, ground-, and sea-based
systems. If a strategic ballistic missile defense system is deployed, the active
TMD should be supported by, but not limited by, those systems to increase the
defense in the theater of operations. Active defense is considered one of the
four pillars of TMD capability. (JCS J-38 CONOPS) Active Homing
Guidance
Guidance system in which both the source for illuminating the target, and the
receiver for detecting the illuminating energy reflected from the target is carried
within the missile.
Active Sensor One that illuminates a target, producing return secondary radiation, which is then
detected to track and/or identify the target. An example is radar.
ACTS AEGIS Combat Training System.
ACUS Army Common User System.
ACVC Ada Compiler Validation Capability
ACW Anti-Carrier Warfare
ACWP Actual Cost of Work Performed.
AD (1) Air Defense. (2) Active Defense. (3) Aerospace Defense
MDA GLOSSARY, VER. 4.0 A
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Ad Int Advanced Interceptor (MDA/POC term).
AD TOC Air Defense Tactical Operations Center.
AD/C3I Air Defense/Command, Control, Communications and Intelligence.
ADA Air Defense Artillery. (US Army term).
Ada Name of a higher order computer programming code.
AdaMAT Ada Automated, static code, analysis tool.
ADAPT Advanced DEW Active Precision Tracker.
Adaptive Defense (Also Adaptive Preferential Defense) Adaptive defense is defense that is
responsive to an actual attack in that it takes advantage of the structure or
weakness of the attack to maximize a priority defense objective.
Adaptive Flexible
Defense (AFD)
The ability to select and prioritize in near-real time what critical civilian and military
assets and functions to defend and to efficiently employ defense in response to
the characteristics of the attack while effectively enforcing defense priorities.
(JOSDEPS)
Adaptive Optics
(ADOPT)
Optical systems, which can be modified (e.g., by controlling the shape of a mirror)
to compensate for distortions. An example is the use of information from a beam
of light passing through the atmosphere to compensate for the distortion
suffered by another beam of light on its passage through the atmosphere. Used
to eliminate the "twinkling" of stars in observational astronomy and to reduce the
dispersive effect of the atmosphere on laser beam weapons. Adaptive
Preferential
Defense
Adaptive Defense.
ADATOC Air Defense Artillery Tactical Operations Center (US Army brigade).
ADC Analog-to-Digital Converter.
ADCATT Air Defense CATT (US Army term).
ADCC Air Defense Control Center.
ADCOM OBSOLETE. (U.S.) Aerospace Defense Command, Peterson AFB, CO.
ADCP (1) Air Defense Communications Platform. (2) Air Defense Command Post.
ADD Air Defense District
ADDA Air Defense Decision Aid.
ADDS Air Defense Demonstration System.
Army Data Distribution System = ELPIRS + JTIDS.
ADI Air Defense Initiative.
ADIZ Air Defense Identification Zone.
MDA GLOSSARY, VER. 4.0 A
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ADLT Advanced Discriminating LADAR Technology.
ADM (1) Also see Acquisition Decision Memorandum (2) Advanced Development
Model.
Administrative
Contracting
Officer (ACO)
The government contracting officer located at a contract administrative office that
is assigned the responsibility for administration of Government contracts.
(Defense Systems Management College Glossary)
ADMS Air Defense Missile System (USMC term).
ADOC Aerospace Defense Operations Center.
ADOCC Air Defense Operations Control Center.
ADOP Advanced Distributed Onboard Processor.
ADOPT See Adaptive Optics.
ADP (1) Automated Data Processing. (2) Arrow Deployability Project
ADPE Automated Data Processing Equipment.
ADR. Advanced Data Recording.
ADRG ARC Digital Raster Graphics.
ADS Advanced Distribution System
ADSAM Air-Directed Surface-to-Air Missile.
ADSG Air Defense Sub Group.
ADSI Air Force Defense Systems Integrator.
ADT Architecture Development Team (DoD Space Architect term).
ADTOC Air Defense Tactical Operations Center.
ADUSD Assistant Deputy Under Secretary of Defense.
Advance Funding Budget authority provided in an appropriation act that allows funds to be
committed to a specific purpose (obligated) and spent during this fiscal year even
though the appropriation actually is for the next fiscal year. Advance funding
generally is used to avoid requests for supplemental appropriations for
entitlement programs late in a fiscal year when the appropriations for the current
fiscal year are too low.
Advance
Procurement
Authority provided in an appropriations act to obligate and disburse from the
succeeding year¡¯s appropriation. The funds are added to the budget authority
for the fiscal year and deducted from the budget authority of the succeeding
fiscal year. Used in major acquisition programs for advance procurement of
components whose long-lead time require purchasing early in order to reduce
the overall procurement lead-time. Advance procurement of long lead
components is an exception to the DoD ¡°full funding¡± policy.
MDA GLOSSARY, VER. 4.0 A
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Advanced
Concept
Technology
Demonstration
(ACTD)
An integrating effort to assemble and demonstrate a significant new military
capability, based upon maturing advanced technology(s) in a real-time operation
at a scale size adequate to clearly establish operational utility and system
integrity.
Advanced
Launch System
(ALS)
OBSOLETE. This proposed system was to be a heavy launch vehicle and
appropriate ground support facilities, which may have supported SDIO, USAF,
Navy and NASA space launch missions into the next century.
Advanced
Technology
Demonstration
Adversary
Capability
Document
The actual demonstration of an advanced state-of-the-art system under
conditions likely to exist when in operation.
Describes estimated current and future adversary ballistic missile characteristics,
and characterizes threat with selected engineering concepts, parameters, and
bounds. ADWC Air Defense Warfare Center.
ADX Air Defense Exercise.
AE (1) Acquisition Executive. (2) Antenna Equipment.
AEC Atomic Energy Commission (US)
AEDC Arnold Engineering Development Center, Arnold AFB, TN.
AEG General Electric Corporation of Germany.
AEGIS The Navy's advanced, fast reaction, high firepower, shipboard anti-air warfare
area defense system (Note: Aegis is the Greek word for "shield").
AEGIS BMD Aegis Ballistic Missile Defense (Aegis BMD) Project is an element of the Ballistic
Missile Defense System, and is being developed to provide a rapidly deployable,
highly mobile defensive system capability against short-to-intermediate range
ballistic missile attacks on population centers, debarkation ports, coastal airports,
amphibious objective areas, expeditionary forces, troops, friends, and allies.
Forward positioning of the ship makes possible a missile defense that will protect
vast areas, often-entire countries. The Aegis BMD element of the BMDS builds
on the proven Mark 7 Aegis Weapon System including modifications to the
Standard Missile, and the Mark 41 Guided Missile Launch System.
AEGIS C&D AEGIS Command and Decision.
AEGIS CRC AEGIS Control and Reporting Center.
Aerospace
Defense (AD)
(1) All defensive measures designed to destroy attacking enemy aircraft, missiles,
and space vehicles after they leave the Earth¡¯s surface, or to nullify or reduce
the effectiveness of such attacks. (2) An inclusive term encompassing air
defense and space defense.
Aerospace
Defense
Operations
Center (ADOC)
Existing center in Cheyenne Mountain AFB (CMAFB), which controls the Air
Defense of North America mission.
MDA GLOSSARY, VER. 4.0 A
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Aerostats Ship- or ground-moored balloon supporting a radar antenna.
Aerothermal Kill A kill in which the thermal shielding of the target RV is damaged by the defensive
system. The RV is subsequently destroyed during reentry.
AES Army Ex
AEW Airborne Early Warning.
AEWR Airborne Early Warning Radar
AF (1) Air Force (2) Award Fee.
AF SATCOM Air Force Satellite Communications .
AF/IN Air Force Intelligence
AF/SC Deputy Chief of Staff for Command, Control, Communications, and Computers,
United States Air Force.
AF/TAA Air Force Executive Agent for Theater Air Defense
AFAC Air Force Advisory Committee.
AFAE Air Force Acquisition Executive.
AFAM Air Force Acquisition Model
AFAS Advanced Field Artillery System.
AFATDS (1) Advanced Field Artillery Tactical Data System. (2) Army Field Artillery
Target Direction System AFC2S Air Force Command and Control System
AFCC Air Force Component Commander.
AFCCC Air Force Component Command Center.
AFCS Automatic Flight Control System.
AFCSC Air Force Cryptological Support Center
.
AFD Adaptive Flexible Defense.
AFDSOC Air Force Defense System Operations Center.
AFF Arming, Fusing and Firing.
AFFTC Air Force Flight Test Center, Edwards AFB, CA.
AFGWC Air Force Ground/Global Weather Center.
AFID Anti-Fratricide Identification Device.
AFIWC Air Force Information Warfare Center.
AFM Award Fee Monitor.
MDA GLOSSARY, VER. 4.0 A
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AFMC Air Force Material Command, Wright-Patterson AFB, Ohio.
AFNORTH Allied Forces Northern Europe (NATO).
AFOSH Air Force Occupational Safety and Health.
AFOTEC Air Force Operational Test and Evaluation Center.
AFPEO/SP Air Force Program Executive Officer for Space
AFRB Award Fee Review Board
AFSARC Air Force System Acquisition Review Council.
AFSATCOM Air Force Satellite Communications System.
AFSB Air Force Science Board.
AF/SC Deputy Chief of Staff for Command, Control, Communications, and Computers,
United States Air Force.
AFSCN Air Force Satellite Control Network.
AFSD OBSOLETE. Air Force Space Division. (Replaced by USAF/SMC.)
AFSMC Air Force Space and Missile Systems Center
AFSOUTH Allied Forces, Southern Region (NATO)
AFSPACECOM Air Force Space Command, Patterson AFB, CO.
AFSPC Air Force Space Command, Patterson AFB, CO
AFSPOC Air Force Space Operations Center.
AFSSI Air Force System Security Instruction.
AFSTC (1) Air Force Space Test Center, Sunnyvale, CA. (2) Air Force Space
Technology Center, Kirtland AFB, NM.
AFSWC Air Force Space Warfare Center.