launched fromUSA

NOSS-4

Failure
DEC 09198007:18:00 UTC

Loss of turbopump lubricant caused B-1 engine shut down just prior to booster jettison; vehicle flipped around 180° and descended back towards Earth, breaking up as it fell.

launched fromSLC-3WVandenberg

aboardAtlas E/F-MSD68EintoLEO

Payload

NOSS-4

ELINT