Staff Sergeant David Matthew Allen served in the U.S. Air Force as an Aircraft and Environmental Systems Specialist (2A6x6) during Operation Enduring Freedom. Known as Matthew by his family and friends, and Daddy by his son and daughter, he was a special man whose musical talents ranged from classical pianist to hard rock drummer. Matthew was empathetic and passionate, deeply philosophical, and quick to laugh. He had a strong sense of justice, with a burning desire to right any real or perceived wrongs against the common man. He had an abiding love and respect for his God.