Image  KB  12/19/2012

A United Launch Alliance Delta II rocket carrying the U.S. Air Forces Global Positioning System IIR-20 satellite lifts off from Space Launch Complex-17A at Cape Canaveral Air Force Station, Fla., March 24, 2009. After a 1 hour, 8 minute flight the 47th successful GPS satellite launched by a Delta II was delivered to orbit supporting our military operations, along with commercial applications, throughout the world.