Harvey Arlie Manley was born on September 29, 1920, in Blackwell, Kay County, Oklahoma. He was the son of John Manley and Arlie Belle Crabb Manley. Harvey attended Kingsville A&I College before joining the U.S. Army Air Forces on February 26, 1942. He served in the 364th Bomber Squadron, 305th Bomber Group, Heavy, as a Second Lieutenant and Bombardier of the B-17 #42-3436 during World War II.

On October 14, 1943, the B-17F Flying Fortress #42-3436 joined a major Allied mission to bomb Schweinfurt's industrial targets. Known as "Black Thursday," the raid faced fierce resistance, with bombers lacking long-range fighter escorts. The aircraft came under heavy attack from German fighters, suffering critical damage, including hits to its number 2 engine. Around 13:45, the B-17 broke apart midair. The tail section, with two deceased waist gunners, fell near a Dutch coal mine, while the nose section crashed in Germany near Finkenrath. Five crew members survived but were captured; the co-pilot was never found. 2Lt Manley was Killed in Action and is now buried in the Netherlands American Cemetery and Memorial, Margraten, Eijsden-Margraten Municipality, Limburg, Netherlands. He also has a cenotaph in Blackwell Cemetery, Blackwell, Kay County, Oklahoma, USA.

Source of information: www.americanairmuseum.com