A Lockheed Martin Atlas IIIB rocket lifts off from launch pad 36B at Cape Canaveral Air Force Station in Florida February 3, 2005.
CAPE CANAVERAL, Fla. - An Atlas 3 rocket lifted off into space early Thursday carrying a secret military payload for the National Reconnaissance Office, the agency that oversees the nation's constellation of spy satellites.
The launch was the sixth and final mission for the 170-foot Atlas 3 rocket, which has been replaced by the Atlas 5, a larger, more powerful rocket designed to reduce costs and provide reliable access to space for heavier military cargoes.
The liftoff also marked the end of an era for launch complex 36, which has been a springboard to space since 1962.
Over the past four decades, 145 Atlas launches have taken place from the complex's two pads, including missions to Venus, Mars, Mercury and the lunar surface. The pads have also served as the starting point for an assortment of military and communications satellites. The last mission to lift off from pad 36A, an Atlas 2AS...