Soldiers from 1st Battalion, 68th Armor Regiment, 3rd Armored Brigade Combat Team, 4th Infantry Division, compete in a log squat at the Ivy Heptathlon Jan. 28, 2015, on Fort Carson as part of Iron Horse Week. Six-man teams completed 50 squats with the log before moving on to the next event. (U.S. Army Photo by Spc. Gregory T. Summers, 3rd ABCT, Public Affairs, 4th ID)