Lockheed-Martin to Continue Developing ISAT

Released on Monday, May 23, 2005
United States of America
AFRL - Air Force Research Laboratory
CDR - Critical Design Review
DARPA - Defense Advanced Research Projects Agency
ISAT - Innovative Space Based Radar Antenna Technology
The US Air Force announced that Lockheed Martin has been selected to continue development of the Innovative Space Based Radar Antenna Technology, known as ISAT. The contract, valued at $19.5 million, is for the next phase of the Defense Advanced Research Project Agency's (DARPA) ISAT project, administrated by the Air Force Research Laboratory (AFRL).

Lockheed Martin will continue development of the ISAT Flight Demonstration Experiment design over the next 14 months, which will take it to the Critical Design Review (CDR) maturity level. Following the CDR, DARPA and the Air Force plan to select a contractor to build and deploy a scale version of the antenna for a one-year proof of technology experiment in low earth orbit.

The objective of the ISAT program is to create and demonstrate technology for very long space-borne electronically scanning antenna. The demonstration experiment will use an antenna extending about 100 meters (325 feet) in length; the full scale version is designed to extend 300 meters.

The full scale antenna payload would be folded up to about the size of a sport utility vehicle and placed inside a payload fairing atop the launch vehicle. Once deployed in space, the antenna's length would be similar to the height of the Empire State Building. Such a lightweight and lengthy antenna could significantly increase global persistent surveillance coverage.


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