170603-Z-BD327-068: U.S. Air Force Col. Daniel Skotte, the commander of the146th Airlift Wing Medical Group, accepts his certificate of retirement from Brig. Gen. Clay Garrison, the commander of the California Air National Guard, at Kingsley Field, June 3, 2017. Skotte tallies just days short of a full 50 years of service and is likely the longest serving Airman to date. (U.S. Air National Guard photo by Senior Airman Riley Johnson)