For conspicuous devotion to duty, extraordinary courage and complete disregard of his own life, during the attack on the Fleet in Pearl Harbor, Territory of Hawaii, by Japanese forces on 7 December 1941. As commanding officer of the U.S.S. Arizona, Capt. Van Valkenburgh gallantly fought his ship until the U.S.S. Arizona blew up from magazine explosions and a direct bomb hit on the bridge which resulted in the loss of his life.