His Distinguished Flying Cross Citation reads:
For extraordinary achievement in aerial flight as pilot of a P-51 type aircraft. On 24 May 1944 Lt. Alexander participated as escort to heavy bombers attacking enemy installations in Austria. Turning from the target after a highly successful bombing run the bomber formation was attacked from the rear by five (5) enemy fighters. With complete disregard for the overwhelming odds Lt. Alexander immediately turned into the enemy aircraft forcing them to break off their attacks. In the ensuing engagement he singled out one (1) enemy fighter and through outstanding combat skill he succeeded in destroying it. Rejoining his formation he escorted the bombers safely to base without loss. By his outstanding courage, combat proficiency and devotion to duty together with personal combat record of three (3) enemy aircraft destroyed and over sixty five (65) successful missions against the enemy Lt. Alexander has upheld the highest traditions of the Military service thereby reflecting great credit upon himself and the Armed Forces of the United States of America.