NRO L-39 was launched by an Atlas V 401 launch vehicle ot 0714 GMT on 6 December 2013. Details about the satellite remain sketchy save to noted that it is thought to be a military radar satellitle of the TOPAZ class which was lauched fron Vandenberg in California to a backward leaning “very retrograde” orbit. There were 12 other nanosats/cubesats carried. A full list is available on Spaceflightnow.com: http://www.spaceflightnow.com/atlas/av042/131206launch/
NRO L-39 payload is thought to be a radar satellite
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