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Geosynchronous Lightweight Technology Experiment, also called USA 158


Designation 26770 / 01020A
Launch date 18 May 2001
Country of origin United States
Mission military: communication relay?
Operator NRO
Geostationary orbit unofficial: 100°E
Launch vehicle Delta 2 #285

Advanced technology demonstration satellite with a laser communications experiment and an operational UHF communications mission.

Contract worth $77.8 million (including launch)

External resources

sat-index articles

Technical data


Prime contractor TRW
Platform STEP or TRW T310 ?
Mass at launch 2000 kg
Mass in orbit  
Solar array  
DC power  
Design lifetime  

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