General Gregory Stuart Martin is a retired U.S. Air Force general and Commander, Air Force Materiel Command at Wright-Patterson Air Force Base, Ohio. Martin was a command pilot with more than 4,600 flying hours in various aircraft, including the F-4, F-15, C-20 and C-21. Upon retirement in 2005, Martin took a position consulting for Northrop Grumman and also served on an Air Force panel studying stealth aircraft technology, among other Pentagon and private industry roles.

The Air Force Materiel Command (AFMC) is a Major Command (MAJCOM) of the United States Air Force (USAF). AFMC was created on July 1, 1992, through the amalgamation of the former Air Force Logistics Command (AFLC) and the former Air Force Systems Command (AFSC).