Col. Tom Funk (right), chief of the Aircraft Maintenance Division at the Air National Guard Readiness Center, talks with Col. Ash Groves, commander of the Kentucky Air National Guard’s 123rd Maintenance Group, at Muñiz Air National Guard Base in Carolina, Puerto Rico, on June 15, 2021, during Maintenance University. More than 130 Airmen from the Kentucky Air Guard trained on career-specific proficiencies during the intensive week-long course. (U.S. Air National Guard photo by Phil Speck)