Following last year's record-setting launch slate of four Global Positioning System missions, the Air Force on March 25 successfully launched the ninth GPS IIF satellite from Cape Canaveral Air Force Station in Florida. The satellite lifted off at 2:36 p.m., at the front end of its 18-minute launch window. It flew on a United Launch Alliance Delta IV rocket. Brig. Gen. William Cooley, director of the Air Force's GPS directorate, told reporters during a March 20 launch call that last...