4 June 1983: At Hill Air Force Base, Utah, the 419th Tactical Fighter Wing, the last U.S. Air Force unit flying the Republic F-105 Thunderchief supersonic fighter bomber, flew a Diamond of Diamonds 24-ship formation as the “Thud” was was withdrawn from service after 25 years to be replaced by the General Dynamics F-16.

Of 833 Thunderchiefs built by Republic Aviation Corporation, 334 were lost to enemy action during the Vietnam War. Though designed for air-to-ground attack missions, F-105s are officially credited with 27.5 victories in air combat.

© 2015, Bryan R. Swopes