Donald Gusar was born in January 1919 in Kings County (Brooklyn), New York. He enlisted on March 11, 1942, and received a commission on July 15, 1943.
Donald served in the 407th Bomber Squadron, 92nd Bomber Group, Heavy, as a Second Lieutenant and Navigator on the B17 #42-30821 'The Sweetest One' during World War II. He was Killed in Action on November 13, 1943, when his plane crashed near the village of Burton Dassett in England during a mission to Bremen. All ten airmen on board were killed. 2Lt Gusar is now buried in the Washington Memorial Park, Mount Sinai, Suffolk County, New York, USA.