Chambers, Joseph R (2000). "McDonnell Douglas F-15 Eagle"(PDF). Partners in Freedom: Contributions of the Langley Research Center to US Military Aircraft of the 1990. The NASA History Series. NASA. Archived from the original(PDF) on 16 March 2010. Retrieved 20 April 2010.
Chambers, Joseph R (2000). "McDonnell Douglas F-15 Eagle"(PDF). Partners in Freedom: Contributions of the Langley Research Center to US Military Aircraft of the 1990. The NASA History Series. NASA. Archived from the original(PDF) on 16 March 2010. Retrieved 20 April 2010.