Marines with Company A, 1st Reconnaissance Battalion, 1st Marine Division, advance to their objective during an amphibious operations training exercise as part of an Expeditionary Operations Training Group course at Marine Corps Base Camp Pendleton, California, April 21, 2016. The Marines conducted beach surveys from designated positions in the ocean, where they observed and reported information to their headquarters team. - Marines with Company A, 1st Reconnaissance Battalion, 1st Marine Division, advance to their objective during an amphibious operations training exercise as part of an Expeditionary Operations Training Group course at Marine Corps Base Camp Pendleton, California, April 21, 2016. The Marines conducted beach surveys from designated positions in the ocean, where they observed and reported information to their headquarters team.

U.S. Marines with Company C, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, participate in a conditioning hike during Exercise Southern Jackaroo 2015 June 14 at Townsville Field Training Area, Queensland, Australia. SJ15 was a combined training opportunity for the Marines with their Australian allies that helped to improve interoperability between the two forces. The U.S. Marine Corps and the Australian Defence Forces are committed to continuing their tradition of more than 100 years of global partnership and security cooperation between Australia and the United States of America. - U.S. Marines with Company C, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, participate in a conditioning hike during Exercise Southern Jackaroo 2015 June 14 at Townsville Field Training Area, Queensland, Australia. SJ15 was a combined training opportunity for the Marines with their Australian allies that helped to improve interoperability between the two forces. The U.S. Marine Corps and the Australian Defence Forces are committed to continuing their tradition of more than 100 years of global partnership and security cooperation between Australia and the United States of America.

Marines with Company C, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, commence Exercise Southern Jackaroo with soldiers with Company A, 3rd Battalion, The Royal Australian Regiment, Australian Army, Australian Defence Force, May 3 at Townsville Field Training Area, Queensland, Australia. SJ15 is a bilateral training exercise between soldiers from Company A, 3RAR, and the Marines with MRF-D. The rotational deployment of U.S. Marines in Australia affords an unprecedented combined training opportunity with their Australian allies and improves interoperability between the two forces. - Marines with Company C, 1st Battalion, 4th Marine Regiment, Marine Rotational Force – Darwin, commence Exercise Southern Jackaroo with soldiers with Company A, 3rd Battalion, The Royal Australian Regiment, Australian Army, Australian Defence Force, May 3 at Townsville Field Training Area, Queensland, Australia. SJ15 is a bilateral training exercise between soldiers from Company A, 3RAR, and the Marines with MRF-D. The rotational deployment of U.S. Marines in Australia affords an unprecedented combined training opportunity with their Australian allies and improves interoperability between the two forces.

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.

Clockwise from top left, 1st Lieutenant John Neail, tank commander, Cpl. Christian Bills, gunner, Lance Cpl. Robert Benaridez driver, Lance Cpl. Patrick Bellinger, loader, the crew for the M1A1 Abrams Main Battle Tank named “Star Lord” participated in Desert Scimitar aboard Marine Corps Air Ground Combat Center Twentynine Palms, California. Desert Scimitar enables 1st Marine Division to test and refine its command and control capabilities and ensures 1st Marine Division units remain committed to consistently improving the quality of their training efforts and their resultant warfighting capabilities. - Clockwise from top left, 1st Lieutenant John Neail, tank commander, Cpl. Christian Bills, gunner, Lance Cpl. Robert Benaridez driver, Lance Cpl. Patrick Bellinger, loader, the crew for the M1A1 Abrams Main Battle Tank named “Star Lord” participated in Desert Scimitar aboard Marine Corps Air Ground Combat Center Twentynine Palms, California. Desert Scimitar enables 1st Marine Division to test and refine its command and control capabilities and ensures 1st Marine Division units remain committed to consistently improving the quality of their training efforts and their resultant warfighting capabilities.

Sgt. Maya Marin C. Garnica, anti-tank missileman, Anti-Armor Section, Weapons Company, Ground Combat Element Integrated Task Force, carries a tube-launched, optically-tracked, wire-guided missile to the firing line during a Marine Corps Operational Test and Evaluation Activity assessment at Range 107, Marine Corps Air Ground Combat Center Twentynine Palms, California, April 12, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks. - Sgt. Maya Marin C. Garnica, anti-tank missileman, Anti-Armor Section, Weapons Company, Ground Combat Element Integrated Task Force, carries a tube-launched, optically-tracked, wire-guided missile to the firing line during a Marine Corps Operational Test and Evaluation Activity assessment at Range 107, Marine Corps Air Ground Combat Center Twentynine Palms, California, April 12, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks.

Sgt. Hannah S. Jacobson, machine gunner with Weapons Company, Ground Combat Element Integrated Task Force, provides close supporting fires for their squad while engaging targets with the M240B Medium Machine Gun during a Marine Corps Operational Test and Evaluation Activity assessment at Range 107, Marine Corps Air Ground Combat Center Twentynine Palms, March 10, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks. - Sgt. Hannah S. Jacobson, machine gunner with Weapons Company, Ground Combat Element Integrated Task Force, provides close supporting fires for their squad while engaging targets with the M240B Medium Machine Gun during a Marine Corps Operational Test and Evaluation Activity assessment at Range 107, Marine Corps Air Ground Combat Center Twentynine Palms, March 10, 2015. From October 2014 to July 2015, the GCEITF will conduct individual and collective level skills training in designated ground combat arms occupational specialties in order to facilitate the standards-based assessment of the physical performance of Marines in a simulated operating environment performing specific ground combat arms tasks.

Marines with Company A, 1st Tank Battalion, 1st Marine Division, conduct a convoy to a staging area in preparation for the Tank Mechanized Assault Course during Integrated Training Exercise 1-15 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Nov. 2, 2014. Company A Marines worked with infantry, mortars and air support during their assault. - Marines with Company A, 1st Tank Battalion, 1st Marine Division, conduct a convoy to a staging area in preparation for the Tank Mechanized Assault Course during Integrated Training Exercise 1-15 aboard Marine Corps Air Ground Combat Center Twentynine Palms, Calif., Nov. 2, 2014. Company A Marines worked with infantry, mortars and air support during their assault.

Marine infantrymen make their way to a compound held by Guam Army National Guard who are acting as an opposing force Sept. 20 during the island seizure portion of Exercise Valiant Shield 2014 at Tinian’s North Field. The Marines were transported from Okinawa to Guam and from there to Tinian. Valiant Shield is a U.S.-only exercise integrating Navy, Air Force, Army, and Marine Corps assets, offering real-world joint operational experience to develop capabilities that provide a full range of options to defend U.S. interests and those of its allies and partners. The Marines are with Company A, 1st Battalion, 3rd Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. D. A. Walters/ Released) - Marine infantrymen make their way to a compound held by Guam Army National Guard who are acting as an opposing force Sept. 20 during the island seizure portion of Exercise Valiant Shield 2014 at Tinian’s North Field. The Marines were transported from Okinawa to Guam and from there to Tinian. Valiant Shield is a U.S.-only exercise integrating Navy, Air Force, Army, and Marine Corps assets, offering real-world joint operational experience to develop capabilities that provide a full range of options to defend U.S. interests and those of its allies and partners. The Marines are with Company A, 1st Battalion, 3rd Marine Regiment, 3rd Marine Division, III Marine Expeditionary Force. (U.S. Marine Corps photo by Cpl. D. A. Walters/ Released)