Xavier and Isaiah Coombs, sons of US Air Force (USAF) SENIOR MASTER Sergeant (SMSGT) Daryl Combs, 1ST Maintenance Operation Squadron (MXOS), receive their dog tags and mobility processing folder in the mobility line during "Operation Hero," at Langley Air Force Base (AFB), Virginia (VA). Operation Hero is a program designed to give children of military members a chance to see first hand what it is like to get ready for a deployment