200606-Z-VA676-0027
Staff Sgt. Andrew Kolbe works on a T34 engine alongside Staff Sgt. Chris Fisher, at Selfridge Air National Guard Base, Mich., June 6, 2020. The T34 is used on the A-10 Thunderbolt II aircraft assigned to Selfridge. Kolbe was receiving upgrade training as a jet propulsion specialist with the 127th Maintenance Group. (U.S. Air National Guard photo by Tech. Sgt. Dan Heaton)