Denfeld Mountains is a group of scattered mountains between Crevasse Valley Glacier

Crevasse Valley Glacier

Crevasse Valley Glacier is a broad glacier about 30 miles long, flowing west-southwest between Chester Mountains and Saunders Mountain to Sulzberger Ice Shelf in Marie Byrd Land. It was discovered by a sledging party of the Byrd Antarctic Expedition, which visited this area in November-December...

 and Arthur Glacier

Arthur Glacier

Arthur Glacier is a valley glacier about long, flowing west to Sulzberger Ice Shelf between the Swanson Mountains on the north and Mount Rea and Mount Cooper on the south, in the Ford Ranges of Marie Byrd Land. It was discovered by members of West Base of the United States Antarctic Service, in...

 in the Ford Ranges

Ford Ranges

The Ford Ranges is a grouping of mountain ranges standing east of Sulzberger Ice Shelf and Block Bay in the northwest part of Marie Byrd Land, Antarctica...

 of Marie Byrd Land

Marie Byrd Land

Marie Byrd Land is the portion of West Antarctica lying east of the Ross Ice Shelf and the Ross Sea and south of the Pacific Ocean, extending eastward approximately to a line between the head of the Ross Ice Shelf and Eights Coast. It stretches between 158°W and 103°24'W...

. The mountains were explored by the Byrd Antarctic Expeditions (1928–30 and 1933–35) and by the United States Antarctic Service (USAS) (1939–41) all led by R. Admiral Richard E. Byrd. Named for Admiral Louis E. Denfeld

Louis E. Denfeld

Louis Emil Denfeld , was Chief of Naval Operations of the United States Navy from 15 December 1947 to 1 November 1949. He also held several significant surface commands during World War II, and after the war commanded the U.S...

, Chief of Naval Operations

Chief of Naval Operations

The Chief of Naval Operations is a statutory office held by a four-star admiral in the United States Navy, and is the most senior uniformed officer assigned to serve in the Department of the Navy. The office is a military adviser and deputy to the Secretary of the Navy...

 and a member of the joint Chiefs of Staff

Joint Chiefs of Staff

The Joint Chiefs of Staff is a body of senior uniformed leaders in the United States Department of Defense who advise the Secretary of Defense, the Homeland Security Council, the National Security Council and the President on military matters...

 (1947–49), who helped in the planning and organization of Operation Highjump

Operation Highjump

Operation Highjump , officially titled The United States Navy Antarctic Developments Program, 1946-1947, was a United States Navy operation organized by RADM Richard E. Byrd Jr. USN, , Officer in Charge, Task Force 68, and led by RADM Richard H. Cruzen, USN, Commanding Officer, Task Force 68....

(1946–47) for which Byrd was leader.