![Capt. Casey Bell, an observer-controller-trainer and operations officer, watches as paratroopers assigned to the 1st Battalion, 325th Airborne Infantry Regiment, 2nd Brigade Combat Team, 82nd Airborne Division, assault an enemy-held urban environment Capt. Casey Bell, an observer-controller-trainer and operations officer, watches as paratroopers assigned to the 1st Battalion, 325th Airborne Infantry Regiment, 2nd Brigade Combat Team, 82nd Airborne Division, assault an enemy-held urban environment](https://c8.alamy.com/comp/HEPJ9F/capt-casey-bell-an-observer-controller-trainer-and-operations-officer-HEPJ9F.jpg)
Capt. Casey Bell, an observer-controller-trainer and operations officer, watches as paratroopers assigned to the 1st Battalion, 325th Airborne Infantry Regiment, 2nd Brigade Combat Team, 82nd Airborne Division, assault an enemy-held urban environment
![DVIDS - News - Inject Observer Controller/Trainer oversee challenge lanes, bring deployment experience to training DVIDS - News - Inject Observer Controller/Trainer oversee challenge lanes, bring deployment experience to training](https://d1ldvf68ux039x.cloudfront.net/thumbs/photos/1207/629725/1000w_q95.jpg)
DVIDS - News - Inject Observer Controller/Trainer oversee challenge lanes, bring deployment experience to training
![The Observer Controller Trainer Team from the Joint Multinational Readiness Center (JMRC) supervises | Article | The United States Army The Observer Controller Trainer Team from the Joint Multinational Readiness Center (JMRC) supervises | Article | The United States Army](https://api.army.mil/e2/c/images/2019/08/08/561245/original.jpg)
The Observer Controller Trainer Team from the Joint Multinational Readiness Center (JMRC) supervises | Article | The United States Army
![Students graduate from the Observer Controller Trainer Academy at the Yavoriv Combat Training Center on the International Peacekeeping and Security Center near Yavoriv, Ukraine, on 17 July. Critical to the long-term success Students graduate from the Observer Controller Trainer Academy at the Yavoriv Combat Training Center on the International Peacekeeping and Security Center near Yavoriv, Ukraine, on 17 July. Critical to the long-term success](https://c8.alamy.com/zooms/6/d11a902141af45369f147a9b2afffaef/mryeg9.jpg)
Students graduate from the Observer Controller Trainer Academy at the Yavoriv Combat Training Center on the International Peacekeeping and Security Center near Yavoriv, Ukraine, on 17 July. Critical to the long-term success
![Staff Sgt. Cristian Contreras, observer controller/trainer, - NARA & DVIDS Public Domain Archive Public Domain Search Staff Sgt. Cristian Contreras, observer controller/trainer, - NARA & DVIDS Public Domain Archive Public Domain Search](https://cdn2.picryl.com/photo/2011/05/24/staff-sgt-cristian-contreras-observer-controllertrainer-c50710-1600.jpg)
Staff Sgt. Cristian Contreras, observer controller/trainer, - NARA & DVIDS Public Domain Archive Public Domain Search
![An observer, controller, trainer (OCT) mentors a young infantryman assigned to 1st Battalion, 508th Parachute Infantry Regiment, 82nd Airborne Division after an assault on an objective at the Joint Readiness Training Center An observer, controller, trainer (OCT) mentors a young infantryman assigned to 1st Battalion, 508th Parachute Infantry Regiment, 82nd Airborne Division after an assault on an objective at the Joint Readiness Training Center](https://c8.alamy.com/comp/PE923N/an-observer-controller-trainer-oct-mentors-a-young-infantryman-assigned-to-1st-battalion-508th-parachute-infantry-regiment-82nd-airborne-division-after-an-assault-on-an-objective-at-the-joint-readiness-training-center-at-fort-polk-la-oct-30-2015-this-training-provides-the-opportunity-for-senior-infantrymen-to-assess-and-improve-the-skills-of-the-infantrymen-conducting-the-attack-paratroopers-from-the-508th-are-playing-an-integral-part-during-1st-brigade-combat-teams-jrtc-rotation-16-02-us-army-photo-by-staff-sgt-jared-gehmannreleased-PE923N.jpg)
An observer, controller, trainer (OCT) mentors a young infantryman assigned to 1st Battalion, 508th Parachute Infantry Regiment, 82nd Airborne Division after an assault on an objective at the Joint Readiness Training Center
![An observer controller trainer resets the war-gaming equipment soldiers use to fight on the simulated An observer controller trainer resets the war-gaming equipment soldiers use to fight on the simulated](https://media.defense.gov/2012/Jan/30/2001169506/-1/-1/0/214194-J-TYV41-579.jpg)
An observer controller trainer resets the war-gaming equipment soldiers use to fight on the simulated
![Bold Quest OC/Ts use technology, train in multi-component, joint environment | Article | The United States Army Bold Quest OC/Ts use technology, train in multi-component, joint environment | Article | The United States Army](https://api.army.mil/e2/c/images/2013/10/01/314555/original.jpg)
Bold Quest OC/Ts use technology, train in multi-component, joint environment | Article | The United States Army
![Major Josh Monteiro, an observer/controller/trainer - PICRYL - Public Domain Media Search Engine Public Domain Search Major Josh Monteiro, an observer/controller/trainer - PICRYL - Public Domain Media Search Engine Public Domain Search](https://cdn2.picryl.com/photo/2020/08/21/major-josh-monteiro-an-observercontrollertrainer-308728-1024.jpg)
Major Josh Monteiro, an observer/controller/trainer - PICRYL - Public Domain Media Search Engine Public Domain Search
![DVIDS - Video - Observer Controller Trainer Team supervises 1st Brigade 1st Infantry Division during the Combined Resolve XII DVIDS - Video - Observer Controller Trainer Team supervises 1st Brigade 1st Infantry Division during the Combined Resolve XII](https://cdn.dvidshub.net/media/frames/video/1908/701891.jpg)