He was awarded the Navy Cross for actions on 13 December 1941 while commanding USS Sailfish (SS-192) during World War II.

[5] He was awarded the Navy Cross for actions on 13 December 1941 during World War II, while serving aboard USS Sailfish (SS-192), after making contact with two Japanese destroyers, and bravely began a submerged attack; the destroyers detected her, dropping a couple of depth charges, while Sailfish fired two torpedoes.

Through his experience and sound judgment Lieutenant Commander Mumma brought his ship safely back to port.

His conduct throughout was an inspiration to his officers and men and in keeping with the highest traditions of the United States Naval Service.

[9] In early March 1943, Mumma's PT boats, leaving from Tufi, Papua New Guinea, took part in the Battle of the Bismarck Sea.

[1] Mumma's picture (top) shows him wearing the 4-loop blue and gold aiguillette as the aide to the last cabinet-level Secretary of the Navy.

[16] Leaving duty as Forrestal's aide, Mumma assumed responsibilities as the Planning Control Director of the Bureau of Naval Personnel.

[17] Rear Admiral Mumma died of cancer in 1968 at his home (3667 East Baker Street) in Tucson, Arizona.

[1] Mort Bay, 15 miles north of Morobe, Papua New Guinea,[18] was named by Australian hydrographers in Commander Mumma's honor.

Presented to the National Rifle Association of America in Memory of Colonel Morton C. Mumma, United States Army.

Distinguished Rifleman and NRA Honorary Director for Life 1878–1945, and Rear Admiral Morton C. Mumma, Jr., United States Navy.