In 1979, the Egyptian Air Force purchased 35 former USAF F-4Es along with a number of Sparrow, Sidewinder, and Maverick missiles from the U.S. for $594 million as part of the "Peace Pharaoh" program.[87] An additional seven surplus USAF aircraft were purchased in 1988.[88] Three attrition replacements had been received by the end of the 1990s.[85]