The DH-4 was an ever-present element of the U.S. Military Air Service both during and following World War I.

entered WWI in Apr 1917, the Aviation Section of the Signal Corps only had 132 aircraft, all outdated. Modeled from a combat tested Brit De Havilland design, the DH-4 was the sole U.S. Built aircraft to see combat during WWI. With insufficient funding to purchase new aircraft, the recently created U.S. Military Air Service continued to use the DH-4 in a number of roles in the lean years following the war. When it was ultimately retired from service in 1932, the DH-4 had been developed into over sixty variants. Continue reading →