JOINT BASE CHARLESTON, S.C. –
April 10, 1975 - The B-1 Lancer aircraft attained supersonic flight speed for the first time.
April 11, 1970 - U. S. Air Force Southern Command personnel and aircraft began operations to assist thousands of flood victims in Costa Rica and Panama.
April 12, 1988 - The first F-16C/D Fighting Falcon was delivered to Luke Air Force Base, Ariz.
April 13, 1972 - Vandenberg Air Force Base, Calif., launched the last Minuteman II in Phase I operational tests.
April 14, 1966 - The C-141A's first airdrops from an altitude below 1,200 feet were made at Fort Bragg, N.C. The aircraft made "jeep size" drops from 700 feet.
April 15, 1972 - The last F-100 Super Sabre left the U.S. Air Forces in Europe.
April 16, 1973 - U.S. Air Force B-52s resumed bombing against North Vietnamese positions in Laos following reports that communist forces overran a town in the Plaine des Jarres.