...e. Hundreds of volunteers were involved in the search, but no trace of him was found, CNN reports. He previously commanded the Air Force laboratory at Wright-Patterson Air Force Base, which has long been rumored to contain extraterrestrial debris from the Roswell UFO crash. After his retirement, McCasland worked for To The Stars, Inc., a company co-founded by Blink-182 musician Tom DeLonge that studies reports of unidentified aerial phenomena.