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This officially transitioned the program away from IEWCS.
Prophet Air requirements call for COMINT coverage from 20 MHz to 2 GHz -- as well as the ability to detect and locate the sources of low-probability-of-intercept signals -- over a 120x50-km area (as compared to 40x40-km coverage area required under the now-defunct IEWCS program).
The IEWCS program was an ambitious set of three US Army programs that aimed to provide ground troops with networked signals-intelligence (SIGINT) and EW capabilities, including intelligence gathering, precision targeting and coordinated jamming (for more on IEWCS, see "US Army to Field IEWCS, Update Requirements and Transition to Prophet," JED, September 1998, p.
The IEWCS program was to modernize the Army's SIGINT equipment at the division level but never achieved the maturity and reliability necessary for operational testing, deferring five initial operational test and evaluation (IOT&E) milestones between 1994 and 1998.
Following the tests, the Army decided that its IEWCS operational requirements, dating back to 1990 for the GBCS equipment and 1992 for the AQF, should reflect new battlefield technologies and operational concepts.
Conceived in the late 1980s, IEWCS was intended to be a common set of vehicle-mounted SIGINT and EW equipment, networked for intelligence gathering, precision targeting and coordinated jamming.
Originally, the MEWSS was to receive the jammer portion of TACJAM-A, similar to the IEWCS program.
In all, seven IEWCS platforms - three Ground Based Common Sensor (GBCS)-Heavy vehicles, two GBCS-Lights and two Advanced Quickfix (AQF) helicopters - supported the Army's 1st Brigade, 4th Infantry Div., in a freewheeling, 360 [degrees] maneuver campaign against the cagey "OPFOR," the NTC's resident opposing force.
In a triad of incarnations - the HMMWV-based Ground Based Common Sensor (GBCS)-Light, the Bradley Fighting Vehicle-derived GBCS-Heavy and the Advanced Quickfix (AQF) EH-60 helicopter - the IEWCS is intended to replace the existing fleet of Army battlefield EW assets and will more or less embody Army division-level EW for well into the next century.
On the ground, the Corps intends to maintain this edge by fielding its own version of the US Army's Intelligence and Electronic Warfare Common Sensor (IEWCS) system, which, when all its pieces come together, will be fairly considered the most advanced groundmobile ESM/ECM package in existence.
With several contractors canceling their reservations at the last minute, the take off of the US Army's Intelligence and EW Common Sensor (IEWCS) production phase has been delayed.
Contractors are scratching their heads in confusion over teaming guidelines issued by the Army for its upcoming Intelligence and Electronic Warfare Common Sensor (IEWCS) competition.
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