U.S. Air Force Chief Master Sgt. David Snook, an aerospace propulsion chief with the 182nd Maintenance Squadron, Illinois Air National Guard, receives a unit-flown flag and certificate honoring his upcoming retirement during the 182nd Airlift Wing’s annual retirement dinner in Peoria, Ill., April 7, 2018. The unit gathered to celebrate the retiree class of 2017 through 2018. (U.S. Air National Guard photo by Tech. Sgt. Lealan Buehrer)