FILE - Richelle Montoya, the first woman to be elected as Navajo Nation vice president, thanks the crowd for its support after election results were posted on Nov. 8, 2022, in Window Rock, Ariz. (AP Photo/William C. Weaver IV, File)

FILE - Navajo Nation Vice President Richelle Montoya addresses a crowd gathered for the tribe's inauguration on Tuesday Jan. 10, 2023, in Fort Defiance, Ariz. (AP Photo/Felicia Fonseca, File)

FILE - President of the Navajo Nation Buu Nygren speaks about the Radiation Exposure Compensation Act during a news conference on Capitol Hill in Washington, Tuesday, Sept. 24, 2024. (AP Photo/Jose Luis Magana, File)

FILE - Navajo Nation Attorney General Ethel Branch speaks during a news conference, Dec. 4, 2017, in Salt Lake City. (AP Photo/Rick Bowmer, File)