U.S. Army Command Sgt. Maj. Eric Vidal, 733rd Mission Support Group command sergeant major, right, passes the unit guidon to Col. Jennifer S. Walkawicz, 733rd Mission Support Group incoming commander, left, during a change of command ceremony at Joint Base Langley-Eustis, Va., June 29, 2018. Walkawicz assumed command of the group, which is comprised of two squadrons and one division with more than 550 members. (U.S. Air Force photo/Senior Airman Tristan Biese)