An unmanned Delta 4 Heavy rocket, the largest booster in in the U.S. fleet, lifts off from Vandenberg Air Force Base in California to put a classified satellite into orbit for the National Reconnaissance Office August 28, 2013

The rocket lifted off at 11:03 a.m. EDT (1503 GMT) Thursday to put a classified satellite into orbit for the National Reconnaissance Office.

A view of the lauinch from a commerecial flight over California on Wednesday, Aug. 28, 2013.

Local rocket fans take photos in the hills above Lompoc CA as an unmanned Delta 4 Heavy rocket, the largest booster in in the U.S. fleet, lifts off from Vandenberg Air Force Base in California August 28, 2013. The rocket lifted off at 11:03 a.m. EDT (1503 GMT) Thursday to put a classified satellite into orbit for the National Reconnaissance Office.