Don Engerbretsen, a veteran of the 602nd Fighter Squadron, smiles at the 2014 SOAR Symposium wearing patches that celebrate his A-1 Skyraider ("Spad") service, including the wry motto "You've Been Mad by a Spad." Such patches, part pride and part humor, reflect the close-knit culture of the pilots who flew these rugged attack aircraft during the Vietnam War. Project: 219877