Japan Ground Self-Defense Force Service Members disembark from an MV-22B Osprey with U.S. Marines while conducting Vertical Assault training during exercise Forest Light Western Army at Camp Takayubaru, Kumamoto, Japan, Jan. 28. - Japan Ground Self-Defense Force Service Members disembark from an MV-22B Osprey with U.S. Marines while conducting Vertical Assault training during exercise Forest Light Western Army at Camp Takayubaru, Kumamoto, Japan, Jan. 28.

Marines with Alpha Company, 1st Battalion, 5th Marine Regiment provide security on the beach following an amphibious landing as part of Exercise Dawn Blitz 2015 at Marine Corps Base Camp Pendleton, Calif., Sept. 5, 2015. Dawn Blitz is a multinational, amphibious training exercise designed to hone the amphibious landing skills of I Marine Expeditionary Brigade, Expeditionary Strike Group Three and allies of the United States. - Marines with Alpha Company, 1st Battalion, 5th Marine Regiment provide security on the beach following an amphibious landing as part of Exercise Dawn Blitz 2015 at Marine Corps Base Camp Pendleton, Calif., Sept. 5, 2015. Dawn Blitz is a multinational, amphibious training exercise designed to hone the amphibious landing skills of I Marine Expeditionary Brigade, Expeditionary Strike Group Three and allies of the United States.

Marines with 3rd Battalion, 5th Marine Regiment, 1st Marine Division, establish security during a helicopter raid, as part of the Marine Corps Combat Readiness Evaluation (MCCRE), aboard Marine Corps Base Camp Pendleton, Calif., Aug. 4, 2015. The MCCRE is used evaluate the operational readiness of a designated unit. - Marines with 3rd Battalion, 5th Marine Regiment, 1st Marine Division, establish security during a helicopter raid, as part of the Marine Corps Combat Readiness Evaluation (MCCRE), aboard Marine Corps Base Camp Pendleton, Calif., Aug. 4, 2015. The MCCRE is used evaluate the operational readiness of a designated unit.

Pfc. Michael Ainsworth, a mortarman with Weapons Company, 3rd Battalion, 5th Marine Regiment adjusts the sights of the 81 mm mortar system during a combined-arms raid at Army National Training Center Fort Irwin, California April 11, 2015. The raid was conducted by 1st Light Armored Reconnaissance Battalion as part of exercise Desert Scimitar 2015. - Pfc. Michael Ainsworth, a mortarman with Weapons Company, 3rd Battalion, 5th Marine Regiment adjusts the sights of the 81 mm mortar system during a combined-arms raid at Army National Training Center Fort Irwin, California April 11, 2015. The raid was conducted by 1st Light Armored Reconnaissance Battalion as part of exercise Desert Scimitar 2015.

Petty Officer 3rd Class Robert Newkirt (left) and Petty Officer 3rd Class Sebastian Quiceno (right), corpsmen with 1st Battalion, 5th Marine Regiment, check the vitals of a role-player with notional symptoms of concussion at the casualty control point during a foreign humanitarian assistance exercise at Kiwanis Park, Yuma, Arizona, as part of Weapons and Tactics Instructor Course 2-15, April 17. Role-players yelled in pain and pretended to be unconscious, providing a realistic scenario for the evaluated Sailors and Marines during the exercise. (Official Marine Corps Photo by Cpl. Charles Santamaria/Released) - Petty Officer 3rd Class Robert Newkirt (left) and Petty Officer 3rd Class Sebastian Quiceno (right), corpsmen with 1st Battalion, 5th Marine Regiment, check the vitals of a role-player with notional symptoms of concussion at the casualty control point during a foreign humanitarian assistance exercise at Kiwanis Park, Yuma, Arizona, as part of Weapons and Tactics Instructor Course 2-15, April 17. Role-players yelled in pain and pretended to be unconscious, providing a realistic scenario for the evaluated Sailors and Marines during the exercise. (Official Marine Corps Photo by Cpl. Charles Santamaria/Released)

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Marines with 1st Battalion, 5th Marine Regiment, 1st Marine Division, along with elements of the 7th Singaporean Infantry Brigade, clear a combat town as part of Exercise Valiant Mark 14.2 aboard Camp Pendleton, Calif., Dec. 15, 2014. Exercise Valiant Mark enhances the United States and Singaporean armed forces’ combined combat readiness through live-fire and urban terrain training as well as amphibious operations familiarization. - Marines with 1st Battalion, 5th Marine Regiment, 1st Marine Division, along with elements of the 7th Singaporean Infantry Brigade, clear a combat town as part of Exercise Valiant Mark 14.2 aboard Camp Pendleton, Calif., Dec. 15, 2014. Exercise Valiant Mark enhances the United States and Singaporean armed forces’ combined combat readiness through live-fire and urban terrain training as well as amphibious operations familiarization.

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)

This photo illustration depicts Lance Cpl. Benjamin Ferry and his Grandfather, Richard T. Ferry, side-by-side while each was assigned to 3rd Battalion, 5th Marine Regiment. Coincidentally, both Benjamin and Richard were assigned the same unit with more than 60 years’ difference in service time. Richard served with 3/5 during the Korean War, fighting in Inchon and at the Chosin Reservoir before being evacuated with two wounds suffered in combat. Benjamin is an automatic rifleman and is currently deployed aboard the USS Peleliu with India Company, Battalion Landing Team 3/5, 31st Marine Expeditionary Unit - This photo illustration depicts Lance Cpl. Benjamin Ferry and his Grandfather, Richard T. Ferry, side-by-side while each was assigned to 3rd Battalion, 5th Marine Regiment. Coincidentally, both Benjamin and Richard were assigned the same unit with more than 60 years’ difference in service time. Richard served with 3/5 during the Korean War, fighting in Inchon and at the Chosin Reservoir before being evacuated with two wounds suffered in combat. Benjamin is an automatic rifleman and is currently deployed aboard the USS Peleliu with India Company, Battalion Landing Team 3/5, 31st Marine Expeditionary Unit