U.S. Army Col. John Gray, 7th Transportation Brigade (Expeditionary) outgoing commander, speaks during the 7th TB(X) change of command ceremony at Joint Base Langley-Eustis, Virginia, June 18, 2026. Change of command ceremonies are a time-honored military tradition that formally signifies the transfer of authority and responsibility from the outgoing commander to the incoming commander. (U.S. Air Force photo by Airman 1st Class Thalia Bonte)