An M1A1 Abrams Main Battle Tank with 2nd Tank Battalion, 2nd Marine Division, rolls through Range SR-10, during a training exercise with an RQ-11 Raven Unmanned Aerial Vehicle Oct. 15, 2013. The tank crews worked alongside scouts, who controlled the UAVs. The UAVs collected reconnaissance on the enemy and relayed the information to the tank crews before they headed they attacked the objective.