 Neither Walker's body nor the wreck of his aircraft was found, and as of June 2013 it remains undiscovered. Walker was therefore listed on the Tablets of the Missing at Manila American Cemetery and Memorial, Philippines, where servicemen missing in action or buried at sea in the Southwest Pacific are commemorated. On 7 December 2001, a headstone marker was erected in Section MC-36M of Arlington National Cemetery to give family members a place to gather in the United States.
