 In 2010, Iran requested that the U.S. deliver the 80th F-14 that it had purchased in 1974 but never received due to the Islamic Revolution.In October 2010, an Iranian Air Force commander claimed that the country overhauls and optimizes different types of military aircraft, mentioning that Air Force has installed Iran-made radar systems on the F-14.In 2012, the Iranian Air Force's Mehrabad Overhaul Center delivered an F-14 with upgraded weapon systems with locally sourced components, designated F-14AM.