Lieutenant Col. Darren Fowler, a senior observer

Lieutenant Col. Darren Fowler, a senior observer coach/trainer assigned to 4th Cavalry Multi-Functional Training Brigade, second from the right, speaks to soldiers assigned to 428th Transportation Company, 766th Transportation Battalion about the importance of being prepared for deployment during Combat Support Training Exercise 91-17-03 July 21, 2017 on Camp Roberts, CA. CSTX is a 91st Training Division led, 4th Cav MFTB supported exercise designed to assist combat-service and combat-service-support units in planning, preparing, supervising and executing of pre-mobilization collective training. (U.S. Army photo by Sgt. Rakeem Carter)