FILE - A U.S. squad armed with guns and hand grenades closes in on Japanese holdouts entrenched in dugouts during World War II on Attu Island, Alaska, in June 1943. (U.S. Army via AP, File)

FILE - In this photo provided by the U.S. Fish and Wildlife Service, an artillery monument sits above Massacre Bay on Attu Island, Alaska, on Aug. 22, 2017. (Lisa Hupp/U.S. Fish and Wildlife Service via AP, File)

FILE - In this photo provided by the U.S. Navy, with their landing barges pulled up on the beach beside wrecked Japanese barges, U.S. troops begin occupation of Attu Island in the Aleutians by cleaning out Japanese foxholes and covering them with pup tents to make living quarters for themselves, May 29, 1943. (U.S. Navy via AP, File)

Helena Pagano, the great-granddaughter of the last chief of Alaska's Attu Island, poses for a photo Nov. 12, 2024, in Anchorage, Alaska. (AP Photo/Mark Thiessen)

FILE - This 2017 image provided by the U.S. Fish & Wildlife Service shows the island of Attu in Alaska. (Lisa Hupp/U.S. Fish & Wildlife Service via AP, File)

FILE - This photo provided by the Library of Congress shows the village of Attu, Alaska, in June 1937. (Library of Congress via AP, File)

FILE - In this photo provided by the U.S. Fish and Wildlife Service, a remnant of World War II remains on Attu Island, Alaska, on Aug. 22, 2017. (Lisa Hupp/U.S. Fish and Wildlife Service via AP, File)