A beloved 30-year-old husband and father who served with the Air Force in his home state of Alaska has died about a year after being diagnosed with a brain tumor, military officials said. Senior Airman James “Nilson” Mixsooke, who grew up in the small community of Unalakleet in western Alaska, was diagnosed in early 2024, Joint Base Elmendorf-Richardson said in a Feb. 26 news release. His tumor was determined to be an astrocytoma, base officials said. That kind of tumor originates in nervous