Brig. Gen John Mountford, Deputy Chief of Staff for Operations, briefs Maj. Gen. Bobby Ginn Jr., Mississippi Adjutant General, and other guests from the Mississippi Army National Guard on the history of the Allied Rapid Reaction Corps during a visit to the deployed HQ ARRC element in the United Kingdom, Sep. 10, 2024. During his visit, Ginn and the other guests from the Mississippi National Guard received briefs from ARRC's DCOS-Ops, Communications Team, Future Operations and Current Operations to understand how ARRC coordinates deterrence and defensive operations to secure the European Theatre from a known adversary. (U.S. Army photo by Sgt. 1st Class Kyle Larsen)