AD-1 Oblique WingThe AD-1 aircraft with its wing swept. Visible are the twin jet engines that powered the aircraft and the fixed...Standing in front of the AD-1 Oblique Wing research aircraft is research pilot Richard E. Gray.The AD-1 aircraft in flight with its wing swept at 60 degrees, the maximum sweep angle. The AD-1 aircraft was...The cockpit and instrument panel of the AD-1 aircraft. Due to the small size of the AD-1, instrumentation was limited...