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Forward-Area Air Defense Command, Control,

Communications and Intelligence System (FAAD C3I)

Ground-Based Sensor


Primary Purpose The Forward Area Air Defense Command, Control,

Communications, and Intelligence (FAAD C3I)

system is a network that connects the command

posts, weapons, and sensors of the FAAD

Battalion. In addition, the FAAD C3I system is

one of the five components that make up the Army

Tactical Command and Control System (ATCCS). The

Ground-Based Sensor (GBS) provides air

surveillance, target acquisition, and target

tracking information to the weapons in the FAAD

Battalion. The FAAD C3I and GBS systems provide

information superiority to the dominant maneuver


Sub-Functions FAAD C3I is an automated system for providing

command, control, targeting, and other

information to the air defenders on the

battlefield. The FAAD C3I software performs the

air track and battle management processing


Equipment Requirements The FAAD C3I system comprises computer hardware,

computer software, and communications equipment.

The communications equipment consists of the

Single-Channel Ground and Airborne Radio System,

the Joint Tactical Information Distribution

System, and the Enhanced Position Location

Reporting System.

Connectivity Requirements Must be connected to a radar system. The Army

chose the Hughes Aircraft Company TPQ-36A radar

as the GBS. The TPQ-36A radar is a modified

version of the Army's FIREFINDER counter-battery

radar. The GBS is a three-dimensional radar

system that uses a phased-array antenna and an

Identification Friend or Foe device. The GBS

system is mounted on a high-mobility multiwheeled

vehicle and a towed trailer.

Crypto Requirements

Normal Locations Army air defense units.

Information Managed The FAAD C3I software performs the air track and

battle management processing functions.

Products Created Air tracks.

Lead Service/Contractor U.S. Army. Prime Contractor TRW Hughes.

Current Fielding Status Fielded. The last major operational test of the

FAAD C3I system was the Follow-on OT&E of the

version 5.1 system, a major software and hardware

upgrade of the FAAD C3I system. This test

occurred in 2QFY99.

Known Problems When there were no friendly aircraft in the sky,

FAAD C3I and GBS clearly demonstrated an

improvement over the baseline system during the

IOT&E, and were operationally effective. However,

when friendly aircraft were added to the

operational area, the fratricide experienced by

FAAD units was unacceptably high and the

operational effectiveness for reduction of fratricide was minimized. Until combat identification procedures are improved, severe operating restrictions will undoubtedly be placed on the FAAD units.

The FAAD C3I and GBS systems were operationally suitable, although there were shortfalls in the generator and software reliability of the GBS system and the mobility of the FAAD C3I and GBS systems.

The FAAD C3I system could not interoperate with the other elements of the Army Tactical Command and Control Systems (ATCCS). Numerous technical and operational problems existed that preclude the ATCCS system itself from being either operationally effective or suitable.

DIICOE Compliance Rating Not rated.

Point of Contact Prime Contractor TRW Hughes.

Updated by Captain Michael L. Campbell, USA, CCSC-01



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