US Army First Lieutenant Connor Sprout, an armor officer assigned to 1st Squadron, 4th Cavalry Regiment, 1st Armored Brigade Combat Team, 1st Infantry Division, fires blank rounds from an M240B machine gun during an “E3B” training and qualification at Fort Riley, Kansas, on Mar. 3, 2023. “E3B” is a culminating triad event where Soldiers train and test their skills in an attempt to earn the Expert Soldier Badge, Expert Infantryman Badge, or Expert Field Medical Badge.

US Army photo by Spc. Charles Leitner, 19th Public Affairs Detachment