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29 January 1998, 18:37 UTC

NROL-5 (Quasar 12)

Atlas IIACape Canaveral SFS, FL, USA
Drawing of the Atlas IIA for NROL-5 (Quasar 12)

Atlas IIA (AC-109) launched USA-137, a classified National Reconnaissance Office satellite nicknamed Capricorn, from Cape Canaveral into a highly elliptical orbit; the first Atlas launch of 1998 and the family's 36th consecutive success.

Outcome
Success
Orbit
Elliptical
Elliptical orbit
Payload to orbit
2.5 T (est.)
Flight
13th
of 23 Atlas IIA flights
Date and time
29 January 1998, 18:37 UTC
Rocket
Atlas IIA
Builder
LM
Launch site
Launch Complex 36A, Cape Canaveral SFS, FL, USA
Payload
Communications
International designator
1998-005
Launches in 1998
6th of 82

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