First flew as TF-15A 71-0291 in 1973. Used by McDonnell Douglas as a demonstrator and test aircraft. Redesignated as an F-15B in 1977. Converted to the F-15E prototype and first flew in 1980. To Saudi Arabia in 2002 and may have been used as a ground trainer. Preserved at the Saudi Air Force Museum, Riyadh as 1315 by 2005.

This TF-15A a/c was later redesignated a F-15B. In 1976 this TF-15A was used by McDonnell Douglas for a world wide sales tour, including this visit to Japan. For the tour it was painted in U.S. Bicentennial markings. Later in its career it became the prototype for the F-15E Strike Eagle program. It eventually ended up in Saudi Arabia as an instructional airframe. It currently is located at the RSAF Museum in Riyadh.

Exhibited at the 1976 Farnborough Air Show wearing bicentennial markings. Loaned to McDonnell Douglas as a company demonstrator in Feb 1976. Still a TF-15A at this time, was redesignated to F-15B on 1 Dec 1977.

Second Eagle prototype / demonstrator. It was loaned to McDonnell Douglas as a company demonstrator in Feb 1976 and was still a TF-15A at this time. It was redesignated to F-15B on 1 Dec 1977.

Second Eagle prototype / demonstrator. It was loaned to McDonnell Douglas as a company demonstrator in February 1976 and was still a TF-15A at this time (it was redesignated to F-15B on 1 December 1977). Seen here demonstrating at the 1976 Japan International Aerospace Exhibition, in bicentennial colours with the "American Revolution Bicentennial 1776-1976" logo on the fins.

By 1976 Farnborough had become fully international. This F-15 was carrying the Commemorative Bicentennial markings for the 200th Anniversary of U.S. Independence. Loaned to McDonnell Douglas as a company demonstrator in Feb 1976. Still a TF-15A at this time, was redesignated to F-15B on 1 Dec 1977.

Oh how I wish I had taken this in colour. This aircraft carried a special red white and blue Bicentennial livery for the Spirit of 1976. It is seen being towed off the runway to be prepared for its display. Loaned to McDonnell Douglas as a company demonstrator in Feb 1976. Still a TF-15A at this time, was redesignated to F-15B on 1 Dec 1977.

Performing here in bicentennial colours with the official "American Revolution Bicentennial 1776-1976" logo on the fins. Loaned to McDonnell Douglas as a company demonstrator in Feb 1976. Still a TF-15A at this time, was redesignated to F-15B on 1 Dec 1977. This was the second two-seater Eagle to be built, used for FAST Pack conformal fuel tank and LANTIRN pod trials and later as development aircraft for the F-15E Strike Eagle. Last reported in as a BDR training airframe at Robins AFB, GA