Airmen from USAF and foreign nations come to the 56th Fighter Wing at Luke AFB, Ariz., to become Viper pilots.
Retired Col. Carlyle "Smitty" Harris, known for introducing the "tap code" by which American POWs in North Vietnam could surreptitiously communicate with one another, died July 6. Harris was brutalized by the North Vietnamese over almost eight years of captivity.