Washington Nationals and military commanders watch as tomb sentinels assigned to the U.S. Army's 3rd U.S. Infantry Regiment, “The Old Guard,” perform the changing of the guard ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery, Va., Feb. 2, 2024. Washington Nationals representatives and military officials participated in a wreath-laying ceremony at the Tomb of the Unknown Soldier in honor of Black History Month. (U.S. Air Force Photo by Airman 1st Class Gianluca Ciccopiedi)