Two B-1s Of The 6510th Test Wing, Edwards Air Force Base, California, Flight Testing. Demonstrating Manual And Automatic Terrain Following Flight At Subsonic Speeds And At Treetop Altitudes Showing Capabilities In A Combat Environment Over A Western Range. The Painting Shows The Variable Geometry Swing Wing In Both Positions. The F-15 Flying Cover Provides For The Test Pilot Squadron Of The 6510th Test Wing.