180310-M-MI959-002.JPG - U.S. Marine Pfc. Angel Reveles fires on enemy targets at the Ulupau Range Training Facility on Marine Corps Base Hawaii, March 10, 2018. Bougainville I is used to train Marines to fight at the small-unit level and build their proficiency for future deployments. (U.S. Marine Corps photo by Pfc. Trevor Rowett)

180312-M-MI959-009.JPG - U.S. Marines touch down and set up security during Exercise Bougainville I at Kahuku Training Area, Hawaii, March 12, 2018. Bougainville I is used to train Marines to fight at the small-unit level and build their proficiency for future deployments. The Marines are with Company B, 1st Battalion, 3d Marine Regiment. (U.S. Marine Corps photo by Pfc. Trevor Rowett)

180222-M-AD571-001.JPG - Marines and Sailors are greeted by Col. Michael Styskal and senior leadership upon their return to Marine Corps Base Hawaii from Integrated Training Exercise 2-18, Feb. 22, 2018. During the month long exercise, the Marines and Sailors participated in multiple training events to assess their combat readiness. Styskal is the commanding officer of 3d Marine Regiment, 3d Marine Division. (U.S. Marine Corps photo by Sgt. Kathy Nunez)