The Missile Defense Agency's experimental test of the Terminal High Altitude Area Defense system last month supplanted a long-planned operational flight test of the deployed system -- slated to take place at about the same time this year, according to a Defense Department official. The July 30 event, Flight Experiment THAAD (FET)-01, replaced an event in MDA's test plan called Flight Test THAAD-15, according to a defense official. "This test was originally called FTT-15; the name changed to better reflect...