Staff Sgt. Nicholas Gaspar, a medical technician with the 910th Medical Squadron, performs chest compressions while Lt. Gen. Richard Scobee, the Chief of Air Force Reserve and Commander of the Air Force Reserve Command, operates a bag-mask valve on a SimMan to simulate a patient suffering cardiac arrest with no pulse, March 6, 2021, at the 910th MDS building. Scobee visited several squadrons at YARS to see first-hand the capabilities of the 910th Reserve Citizen Airmen and check up on morale. (U.S. Air Force photo/Tech Sgt. Jeffrey Grossi)