U.S. Marines Capt. Jacob Dunn, left, and 2nd Lt. Carter

U.S. Marines Capt. Jacob Dunn, left, and 2nd Lt. Carter Collins, right, observes an impact of an 81mm mortar from an observation point as part of the fire support team during Exercise Bougainville II, Pohakuloa Training Area on the Island of Hawaii, Oct. 21, 2017. Exercise Bougainville II prepares 2nd Battalion, 3rd Marines for service as a forward deployed force in the Pacific by training them to fight as a ground combat element in a Marine Air-Ground Task Force. Capt. Dunn is a forward air controller with 2nd Bn., 3rd Marines and a native of Ridgecrest, Calif. 2nd Lt. Collins is a platoon commander with 2nd Bn., 3rd Marines and a native of Tucson, Ariz. (U.S. Marine Corps photo by Sgt. Ricky Gomez)