Lance Corporal Brandon Renteria fires simulation rounds from a M32A1 multi-shot grenade launcher during a live-fire training event alongside Australian soldiers with 5th Battalion Royal Australian Regiment, Australian Army, Australian Defence Force, May 15 at Kangaroo Flats Training Area, Victoria, Northern Territory, Australia. The Marines with Company A, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, and Australian soldiers brushed up on squad attack tactics, basic point man skills and explosives to refine basic infantry skills. The rotational deployment of U.S. Marines affords an unprecedented combined training opportunity with their Australian allies and improves interoperability between the two forces. Renteria is a rifleman with Company A, 1st Battalion, 4th Marines, MRF-D. - Lance Corporal Brandon Renteria fires simulation rounds from a M32A1 multi-shot grenade launcher during a live-fire training event alongside Australian soldiers with 5th Battalion Royal Australian Regiment, Australian Army, Australian Defence Force, May 15 at Kangaroo Flats Training Area, Victoria, Northern Territory, Australia. The Marines with Company A, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, and Australian soldiers brushed up on squad attack tactics, basic point man skills and explosives to refine basic infantry skills. The rotational deployment of U.S. Marines affords an unprecedented combined training opportunity with their Australian allies and improves interoperability between the two forces. Renteria is a rifleman with Company A, 1st Battalion, 4th Marines, MRF-D.

Marines with 1st Reconnaissance Battalion, 1st Marine Division, and members of the Japan Ground Self-Defense Force conduct amphibious raids and military operations on urban terrain during Exercise Iron Fist 15 aboard Camp Pendleton on Feb. 3, 2015. Exercise Iron Fist 15 is an annual bilateral training exercise between U.S. and Japanese military forces that builds their combined ability to conduct amphibious and land-based contingency operations. IF15, currently in its tenth iteration, is scheduled from Jan. 26 to Feb. 27, 2015, in southern California. (U.S. Marine Corps photo by Cpl. Angel Serna/Released) - Marines with 1st Reconnaissance Battalion, 1st Marine Division, and members of the Japan Ground Self-Defense Force conduct amphibious raids and military operations on urban terrain during Exercise Iron Fist 15 aboard Camp Pendleton on Feb. 3, 2015. Exercise Iron Fist 15 is an annual bilateral training exercise between U.S. and Japanese military forces that builds their combined ability to conduct amphibious and land-based contingency operations. IF15, currently in its tenth iteration, is scheduled from Jan. 26 to Feb. 27, 2015, in southern California. (U.S. Marine Corps photo by Cpl. Angel Serna/Released)

U.S. Marine Pfc. Jacob Piazza, right, fires a .50-caliber machine gun at targets during realistic urban training aboard Camp Roberts, Calif., Dec. 14, 2014. Piazza is a rifleman with Weapons Company, Battalion Landing Team 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit. The training prepares the 15th MEU’s Marines for their upcoming deployment, enhancing their combat skills in environments similar to those they may find in future missions. - U.S. Marine Pfc. Jacob Piazza, right, fires a .50-caliber machine gun at targets during realistic urban training aboard Camp Roberts, Calif., Dec. 14, 2014. Piazza is a rifleman with Weapons Company, Battalion Landing Team 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit. The training prepares the 15th MEU’s Marines for their upcoming deployment, enhancing their combat skills in environments similar to those they may find in future missions.

U.S. Marine Lt. Col. Nicholas Davis, left, presents Japan Ground Self-Defense Force Col. Hiroji Yamashita with a plaque, Dec. 12, during the closing ceremony for Forest Light 15-1 at Camp Kita Kumamoto in Kumamoto, Kumamoto prefecture, Japan. Forest Light is a routine, semi-annual exercise designed to enhance the U.S. and Japan military partnership, solidify regional security agreements and improve individual and unit-level skills. Davis is the commanding officer of 2nd Battalion, 9th Marine Regiment, currently assigned to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. Yamashita is the commanding officer of the 42nd Regiment, 8th Division, Western Army, JGSDF. (U.S. Marine Corps photo by Cpl. Drew Tech/Released) - U.S. Marine Lt. Col. Nicholas Davis, left, presents Japan Ground Self-Defense Force Col. Hiroji Yamashita with a plaque, Dec. 12, during the closing ceremony for Forest Light 15-1 at Camp Kita Kumamoto in Kumamoto, Kumamoto prefecture, Japan. Forest Light is a routine, semi-annual exercise designed to enhance the U.S. and Japan military partnership, solidify regional security agreements and improve individual and unit-level skills. Davis is the commanding officer of 2nd Battalion, 9th Marine Regiment, currently assigned to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. Yamashita is the commanding officer of the 42nd Regiment, 8th Division, Western Army, JGSDF. (U.S. Marine Corps photo by Cpl. Drew Tech/Released)

U.S. Marines lead a foot patrol during Forest Light 15-1 at the Oyanohara Training Area in Yamato, Kumamoto prefecture, Japan Dec. 9. Forest Light is a routine, semi-annual exercise designed to enhance the U.S. and Japan military partnership, solidify regional security agreements and improve individual and unit-level skills. The Marines are with 2nd Battalion, 9th Marine Regiment, currently attached to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. - U.S. Marines lead a foot patrol during Forest Light 15-1 at the Oyanohara Training Area in Yamato, Kumamoto prefecture, Japan Dec. 9. Forest Light is a routine, semi-annual exercise designed to enhance the U.S. and Japan military partnership, solidify regional security agreements and improve individual and unit-level skills. The Marines are with 2nd Battalion, 9th Marine Regiment, currently attached to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program.

U.S. Marines lead a foot patrol Dec. 9 during Forest Light 15-1 at the Oyanohara Training Area in Yamato, Kumamoto prefecture, Japan. Forest Light is a routine, semi-annual exercise designed to enhance the U.S. and Japan military partnership, solidify regional security agreements and improve individual and unit-level skills. The Marines are with 2nd Battalion, 9th Marine Regiment, currently attached to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. - U.S. Marines lead a foot patrol Dec. 9 during Forest Light 15-1 at the Oyanohara Training Area in Yamato, Kumamoto prefecture, Japan. Forest Light is a routine, semi-annual exercise designed to enhance the U.S. and Japan military partnership, solidify regional security agreements and improve individual and unit-level skills. The Marines are with 2nd Battalion, 9th Marine Regiment, currently attached to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program.

Soldiers with 7th Singapore Infantry Brigade and Marines with 1st Battalion, 5th Marine Regiment devise a reaction strategy in case of simulated Improvised Explosive Device attacks during exercise Valiant Mark aboard Marine Corps Base, Camp Pendleton, Calif., Dec. 6, 2014. Valiant Mark enhances U.S. and Singaporean forces’ combined combat readiness through live-fire and urban terrain training as well as amphibious operations familiarization. (U.S. Marine Corps photo by Lance Cpl. Danielle Rodrigues) - Soldiers with 7th Singapore Infantry Brigade and Marines with 1st Battalion, 5th Marine Regiment devise a reaction strategy in case of simulated Improvised Explosive Device attacks during exercise Valiant Mark aboard Marine Corps Base, Camp Pendleton, Calif., Dec. 6, 2014. Valiant Mark enhances U.S. and Singaporean forces’ combined combat readiness through live-fire and urban terrain training as well as amphibious operations familiarization. (U.S. Marine Corps photo by Lance Cpl. Danielle Rodrigues)

Japan Ground Self-Defense Force Sgt. 1st Class Yatsuka Ikeda, left, helps U.S. Marine 1st Sgt. Timothy Babcock set up the American flag Dec. 1 before the opening ceremony for Forest Light 15-1 at the Oyanohara Training Area in Yamato, Kumamoto prefecture, Japan. Forest Light demonstrates the continued commitment of the U.S. and Japan to increase interoperability of our armed forces and maintain a strong partnership to protect Japan from external aggression. Ikeda is with 42nd Regiment, 8th Division, Western Army, JGSDF. Babcock, from Port Austin, Michigan, is company first sergeant with Company G, 2nd Battalion, 9th Marine Regiment, currently attached to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. (U.S. Marine Corps photo by Cpl. Drew Tech/Released) - Japan Ground Self-Defense Force Sgt. 1st Class Yatsuka Ikeda, left, helps U.S. Marine 1st Sgt. Timothy Babcock set up the American flag Dec. 1 before the opening ceremony for Forest Light 15-1 at the Oyanohara Training Area in Yamato, Kumamoto prefecture, Japan. Forest Light demonstrates the continued commitment of the U.S. and Japan to increase interoperability of our armed forces and maintain a strong partnership to protect Japan from external aggression. Ikeda is with 42nd Regiment, 8th Division, Western Army, JGSDF. Babcock, from Port Austin, Michigan, is company first sergeant with Company G, 2nd Battalion, 9th Marine Regiment, currently attached to 4th Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force, under the unit deployment program. (U.S. Marine Corps photo by Cpl. Drew Tech/Released)

U.S. Marine Lance Cpl. Jonas G. Dewald works with a fellow Marine to don his ghillie suit Dec. 2 in the Oyanohara Training Area in Yamato, Kumamoto prefecture, Japan. The concealment training is part of Forest Light 15-1, a semi-annual, bilateral exercise consisting of a command post exercise and field training events conducted by elements of III Marine Expeditionary Force and the Japan Ground Self-Defense Force to enhance the U.S. and Japan military partnership, solidify regional security agreements and improve individual and unit-level skills. Dewald, from Wilson, North Carolina, is a machine gunner with Weapons Company, 2nd Battalion, 9th Marine Regiment, currently attached to 4th Marine Regiment, 3rd Marine Division, III MEF, under the unit deployment program. (U.S. Marine Corps photo by Cpl. Drew Tech/Released) - U.S. Marine Lance Cpl. Jonas G. Dewald works with a fellow Marine to don his ghillie suit Dec. 2 in the Oyanohara Training Area in Yamato, Kumamoto prefecture, Japan. The concealment training is part of Forest Light 15-1, a semi-annual, bilateral exercise consisting of a command post exercise and field training events conducted by elements of III Marine Expeditionary Force and the Japan Ground Self-Defense Force to enhance the U.S. and Japan military partnership, solidify regional security agreements and improve individual and unit-level skills. Dewald, from Wilson, North Carolina, is a machine gunner with Weapons Company, 2nd Battalion, 9th Marine Regiment, currently attached to 4th Marine Regiment, 3rd Marine Division, III MEF, under the unit deployment program. (U.S. Marine Corps photo by Cpl. Drew Tech/Released)