Senior Airman James “Nilson” Mixsooke, who grew up in the small community of Unalakleet in western Alaska, was diagnosed ... Mixsooke died Feb. 19 at a base hospital, base officials said.

The plane, which disappeared on Feb. 6 and was found the next day near the western coast of Alaska, was on a regularly scheduled afternoon flight between Unalakleet and Nome, a trip of about 150 ...