Hospital Corpsman Third Class Peter Robert Bossman, USN, was assigned to Marine Medium Helicopter Squadron 363, Marine Aircraft Group 13, 1st Marine Aircraft Wing, Fleet Marine Force, Pacific. On September 25, 1966, the helicopter to which he was assigned was sent on a medical evacuation mission. Approximately 11 miles west of Dong Ha, Quang Tri Province, Republic of Vietnam, his aircraft was hit by enemy ground fire, burst into flames, and exploded prior to impact with the ground. Petty Officer Bossman was killed and his remains were not recovered.

Petty Officer Bossman was listed as Killed In Action/Body Not Recovered.

Petty Officer Bossman was born December 3, 1944, in Lackawanna, New York, and listed West Seneca, New York, as his Home of Record.