Master Sgt. Chuck Rodgers (right), a propulsion elements supervisor from the Kentucky Air National Guard’s 123rd Maintenance Squadron, and Staff Sgt. Mike Hasson, an aerospace maintenance craftsman from the same unit, install engine panels on a C-130 Hercules at Muñiz Air National Guard Base in Carolina, Puerto Rico, on June 13, 2021, as part of Maintenance University. More than 130 Airmen from the Kentucky Air Guard’s 123rd Airlift Wing trained on career-specific proficiencies during the intensive week-long course. (U.S. Air National Guard photo by Phil Speck)