Source: http://www.ahtnagov.com/environmental.asp
The text states in part, "... Point McIntyre is located on the Arctic Ocean, 15 miles northwest of Prudhoe Bay, and served as one of the U.S. Navy’s Defense Early Warning (DEW) Line sites before operations ceased in the 1960s. ...."
U.S. Navy’s??? That`s news to us, huh?!! And the "D" stood for "Defense"? ....!