Observer Coach/Trainers bring out the best at CSTX
Sgt. 1st Class Joseph Tully (right), an observer coach/trainer with 4th Battalion, 409th Brigade Support Battalion, 4th Cavalry Multi-Functional Training Brigade, debriefs an OPFOR Soldier assigned to 10th Mountain Division after the OPFOR ambushed a convoy as part of a situational training exercise lane at Combat Support Training Exercise 78-21-04 on Aug. 12, 2021 at Fort McCoy, Wisconsin. OC/Ts are subject matter experts on doctrine and in their specific warfighting functions. (US. Army photo by Staff Sgt. Kevin Spence)