U.S. Army Soldiers from the 7th Transportation Brigade (Expeditionary) conduct a streamer ceremony during the Army 242nd birthday, Music Under the Stars celebration at Joint Base Langley-Eustis, Va., June 15, 2017. The Soldiers wore uniforms of the respective time periods when presenting streamers to be attached to the Army guidon. (U.S. Air Force photo/Staff Sgt. Teresa J. Cleveland)