NROL-15 launches atop a Delta IV Heavy

NROL-15 launches atop a Delta IV Heavy
NROL-15 launches atop a Delta IV Heavy A Delta IV Heavy, which will be used to launch Orion on Exploration Flight Test 1, lifts off from Cape Canaveral Air Force Station in 2012 carrying the classified NROL-15 payload for the National Reconnaissance Office. United Launch Alliance

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