He served four years as Chief of Obstetrics and Gynaecology at Barksdale Air Force Base before transferring to Headquarters Strategic Air Command as Chief of the Clinical Medicine Division, Office of the Surgeon.
Buethe would later assume command of the hospitals Pease Air Force Base and at Barksdale.
During his time at Barksdale, he also served as a medical advisor to the commander of the Eighth Air Force.
In 1980, Buethe was named Deputy Command Surgeon at Headquarters U.S. Air Forces Europe.
While there, he was prominent in the creating the medical standards for the NATO Boeing E-3 Sentry crews.