U.S. Air Force Col. Dustin Hansen relinquishes command of the 673d Mission Support Group to Col. Jacob Foley at Joint Base Elmendorf-Richardson, Alaska, on June 18, 2026. The 673d MSG is composed of five squadrons – the 773d Force Support Squadron, the 673d Communications Squadron, the 673d Security Forces Squadron, the 673d Contracting Squadron and the 673d Force Support Squadron – providing support to the 673d Air Base Wing and 55 associate and tenant units assigned to JBER.