Photographer unknown - Second prototype, hence the "Y" designation. It served its entire career at Edwards AFB. - It made the first totally fiber optic-controlled flight using a single fiber flight control system in March 1982.

Second prototype. Used as a test aircraft. To the Air Force Flight Test Center Museum at Edwards AFB in 1992.

Second prototype. Used as a test aircraft. To the Air Force Flight Test Center Museum at Edwards AFB in 1992.

This is the second A-7 prototype built. It now rests at the Air Force Flight Test Museum at Edwards AFB in California. It carries the 6512 TS code ED, the Air Force Flight Test Centre badge on the nose, and the Air Force Systems Command badge on the fin.

This is the second of three prototype YA-7D Corsair IIs delivered to the USAF in 1968. It was also the last to use the P&W TF-30 engine of the Navy's A-7As; the Air Force opting for a more powerful licensed built Rolls Royce Spey. Used for type testing and on-going development flying at Edwards, it was retired in 1998. The DIGITAC (digital tac­tical aircraft control) titles were applied for the first totally fiber optic-controlled flight using a single-fiber flight-con­trol system on March 24, 1982.