U-1 Otter at Crissy Field - Presidio of San Francisco

U-1 Otter used to transport soldiers wounded in Vietnam from Tranvis Air force Base to Letterman Hospital. Credits: National Park Service, Golden Gate NRA, Iva Young Collection

A De Havilland U-1 Otter, used to transport soldiers wounded in Vietnam from Travis Air Force Base, where they arrived in the states, to Letterman Army Medical Center.