Lance Cpl. Jamie Tenorio, a forward observer with 2nd Battalion, 10th Marine Regiment, 2nd Marine Division communicates with an artillery battery during Exercise Rolling Thunder aboard Fort Bragg, N.C., March 5, 2015. Tenorio sights in with binoculars letting the battery know where the artillery rounds hit. - Lance Cpl. Jamie Tenorio, a forward observer with 2nd Battalion, 10th Marine Regiment, 2nd Marine Division communicates with an artillery battery during Exercise Rolling Thunder aboard Fort Bragg, N.C., March 5, 2015. Tenorio sights in with binoculars letting the battery know where the artillery rounds hit.