News

July 24, 2026
21 MDG Change of Command

U.S. Air Force Col. Marcie Lewis, incoming 21st Medical Group commander, accepts the guidon from U.S. Space Force Col. Kenneth Klock, Space Base Delta 1 commander, during the 21st MDG change of command ceremony at Peterson Space Force Base, Colorado, July 17, 2026. The passing of the guidon
April 30, 2025
21st Med Group Staff Sgt. rescues wounded man from overturned car

21st Med Group Staff Sgt. rescues wounded man from overturned car.Staff Sgt. Michael Mendenhall, 21st MDG Pharmacy Technician, didn’t hesitate when he saw an injured man in an overturned car on his way to work. With quick thinking and courage, he helped rescue the driver and stayed by his side until
Nov. 4, 2024
21st MDG Master Sergeant selected for commissioning through SLECP

On Oct. 17, 2024, U.S. Air Force Master Sgt. Michael Osten, 21st Medical Group Operational Support Team flight chief, was selected for commissioning as a Public Affairs Officer through the Senior Leader Enlisted Commissioning Program.

21 MDG Change of Command