EC03-0210-13 Northrop Grumman Corporation's modified U.S. Navy F-5E Shaped Sonic Boom Demonstration SSBD aircraft flies over Lake Isabella, California on Aug. 4, 2003. NASA Dryden provided range, air and ground data-gathering support for the SSBD project, which is part of DARPA's Quiet Supersonic Platform QSP program. August 4, 2003 NASA Photo / Jim Ross