On April 14, 1942, he enlisted in the Aviation Cadet Program of the
U.S. Army Air Forces, and was commissioned a
second lieutenant and awarded his pilot wings at
Luke Field in Arizona, on January 4, 1943.
World War II After the completion of his training in the P-40 Warhawk training in Florida, he was assigned to the
73d Fighter Squadron of the
318th Fighter Group in Hawaii. During this time, American fighter units in the
South West Pacific Area were desperately short of qualified pilots and as a result, DeHaven was assigned to the
7th Fighter Squadron of the
49th Fighter Group in May 1943. Arriving to
New Guinea via Australia, he was stationed at the 49th FG's base at
Dobodura Airfield in New Guinea, where he flew P-40s in combat. On July 14, 1943, DeHaven scored his first aerial victory when he shot down an
Aichi D3A "Val" dive bomber over
Salamaua and on October 17, 1943, he shot down a
Nakajima Ki-43 "Oscar". DeHaven shot down a
Mitsubishi A6M "Zero" and a
Kawasaki Ki-61 "Tony" on October 27. In the summer of 1944, the 49th FG converted to
Lockheed P-38 Lightnings and took part in the
Philippines campaign. On October 29, 1944, DeHaven shot down an Oscar over
Biliran Island, his first aerial victory in the P-38 and eleventh overall. He scored his final victories in November 1944, when he shot down two Zeros and one
Mitsubishi J2M "Jack" during aerial patrols over
Leyte. At the end of November, he was sent back to the United States for
shore leave. In 1945, he returned to the 49th FG as group operations officer, serving this position till
V-J Day. During World War II, DeHaven was credited with the destruction of 14 enemy aircraft (10 in P-40 and 4 in P-38) in aerial combat, while flying 272 combat missions. He left active duty in December 1945. ==Later life==