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MILSTAR

Lockheed Martin Receives $312 Million AEHF Contract Modification

December 5, 2011
By George Seffers

Lockheed Martin Space Systems Corporation, Sunnyvale, California, is being awarded a $312.2 million cost-plus-incentive-fee contract modification for engineering support for the Advanced Extremely High Frequency (AEHF) satellite program from December 1, 2011 to December 31, 2014. Support is provided for on-orbit anomaly resolution and investigation, flight and payload software sustainment following the completion of on-orbit test, Networked AEHF System Tested tool sustainment, mission control familiarization, and development test. Additional supported tasks including hardware, software, training and logistics support, technical order maintenance, system security and information assurance engineering, coordination with the Milstar O&M contractor, satellite database updates for Milstar and AEHF, and on-site technical support for satellite operations at Schriever Air Force Base, Colorado, and Vandenberg Air Force Base, California, as well as support for AEHF and Milstar combined constellation integration transition and test activities. The Air Force Space and Missile Systems Center, Military Satellite Communications Systems Directorate, Los Angeles, California, is the contracting activity.

Advanced Multi-band Communications Antenna

November 30, 2011
By George Seffers

Recent flight tests conducted by a combined team from the Electronic Systems Center, the Space and Missile Systems Center, MIT Lincoln Laboratory and MITRE Corp. have shown that the low-profile Advanced Multi-band Communications Antenna, installed on a wide-body aircraft, can effectively support high speed Ka-band and extremely high frequency (EHF) communications. The tests demonstrated that the antenna system meets needed performance characteristics, such as small size and weight, easy installation, consistent coverage in all directions and the ability to mount to the aircraft skin. The system will provide secure, long-range military satellite communications connectivity for future Air Force airborne platforms-providing voice, video and chat capabilities. The antenna could represent a major breakthrough in supporting multi-megabit-per-second-class airborne communications using the Wideband Global Satellite Communications and Advanced EHF satellites, according to Air Force officials. The antenna, mounted on an MIT test bed aircraft, was able to successfully establish communications with a Military Strategic Tactical Realy (MILSTAR) satellite. The flight tests were performed with the antenna system securing connections with MILSTAR at various look-angles, with the array outperforming the anticipated results.

 

 

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