Merriam Press Military Monograph 317. Fifth Edition (2012). Fascinating account of Rayle's varied career from prior to World War II, working at the Naval Gun Factory and Aberdeen Proving Ground, his wartime service with Aviation Ordnance in the USAAF, and his postwar career with Army Ordnance. This book deals primarily with his service at the Springfield Armory in the 1950s and 1960s where he participated in the development of such weapons as the M14 and M16 rifles, M60 machine gun, aircraft revolver and Gatling guns, 40mm M79 grenade launcher, tank machine guns, HAW/BAT/TOW and spotting...