U.S. Air Force Chief Master Sgt. Derek Crowder, command

U.S. Air Force Chief Master Sgt. Derek Crowder, command chief for the 60th Air Mobility Wing, works with Airman 1st Class David Thach, 60th Maintenance Squadron, to a test aircraft tire inflator kit during Leadership Rounds at the precision measurement equipment laboratory flight, Jan 25, 2019, at Travis Air Force Base, California. The Leadership Rounds program involves wing leadership interacting with Airmen to get a detailed view of each mission performed at Travis. PMEL ensures the equipment is working at the highest caliber possible to safeguard mission success. (U.S. Air Force Photo by Heide Couch)