Col. D. Scott McKean, commander and reviewing officer, 4th Brigade Combat Team, 1st Armored Division, passes the 4th Special Troops Battalion guidon to Lt. Col. Joseph Bowman during a change of command ceremony Feb. 15 at the Highlander Parade Field on East Fort Bliss. The passing of the guide-on officially signified the change in command authority from Lt. Col. Dawson A. Plummer to Bowman, the newly appointed battalion commander.