Corporal Tim Sather enlisted in the United States Marine Corps on June 27, 1967, and received basic training at MCRD Marine Corps Recruit Depot, San Diego.

Following boot camp, he completed Intensive training, Gorilla warfare, Artillery School and Radio School. Sather went to Vietnam on Christmas Day 1967, serving with the Golf Battery 3rd Battalion, 11th Marines, 1st Marine Division. He also served with Charlie Company 1st Battalion 7th Marines, 1st Marine Division as a forward observer for Golf Battery and Air support.

After being wounded for a second time, Corporal Sather was sent back to the rear area where he distributed and handled the mail for Headquarters Battalion 11th Marines. Sather served three years and three months before getting an early Honorable Discharge in September 1970.

During his tenure, Sather received two Purple Heart Medals for wounds received during combat. Additionally, he also received Expert Pistol, Expert Rifle and Vietnam Campaign medals.