U.S. Army Lt. Col. Adam Keown, outgoing commander for the 1st Battalion, 210th Aviation Regiment, 128th Aviation Brigade, receives the Meritorious Service Medal during a change of command ceremony at Joint Base Langley-Eustis, Virginia, May 23, 2019. The medal was awarded for 20 years of exceptional meritorious performance and faithful service to Army aviation. (U.S. Air Force photo by Senior Airman Delaney Gonzales)