U.S. Marines conduct a simulated assault during a force on force training event during exercise Northern Viper on Yausubetsu Training Area, Hokkaido, Japan, Feb. 7, 2020. - U.S. Marines conduct a simulated assault during a force on force training event during exercise Northern Viper on Yausubetsu Training Area, Hokkaido, Japan, Feb. 7, 2020.

Service members from across the nation receive a brief at Ponce, Puerto Rico, April 26, 2019, during Innovative Readiness Training Puerto Rico. Marine Forces Reserve Sailors are working jointly with several National Guard and Reserve units from across the nation to provide medical care in Puerto Rico during a two-week medical exercise. - Service members from across the nation receive a brief at Ponce, Puerto Rico, April 26, 2019, during Innovative Readiness Training Puerto Rico. Marine Forces Reserve Sailors are working jointly with several National Guard and Reserve units from across the nation to provide medical care in Puerto Rico during a two-week medical exercise.

Brig. Gen. Bradley S. James, commanding general of 4th Marine Aircraft Wing, reads a letter written by Gen. Robert B. Neller, Commandant of the Marine Corps, addressing retired Chief Warrant Officer 4 Hershel “Woody” Williams, the last surviving Medal of Honor recipient from the Battle of Iwo Jima, for his 95th birthday at the National World War II Museum, Oct. 2, 2018. Part of the letter stated, “This is a remarkable milestone and I hope it will offer you the opportunity to reflect on a lifetime of achievements.” (U.S. Marine Corps photo by Lance Cpl Tessa D. Watts) - Brig. Gen. Bradley S. James, commanding general of 4th Marine Aircraft Wing, reads a letter written by Gen. Robert B. Neller, Commandant of the Marine Corps, addressing retired Chief Warrant Officer 4 Hershel “Woody” Williams, the last surviving Medal of Honor recipient from the Battle of Iwo Jima, for his 95th birthday at the National World War II Museum, Oct. 2, 2018. Part of the letter stated, “This is a remarkable milestone and I hope it will offer you the opportunity to reflect on a lifetime of achievements.” (U.S. Marine Corps photo by Lance Cpl Tessa D. Watts)

U.S. Marines Lance Cpl. Caleb J. Malone (left), combat engineer with Bridge Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, discards a piece of cut plywood as Lance Cpl. Matthew P. Winter (right), combat engineer with Engineer Company C, 6th ESB, 4th MLG, cuts plywood with a circular saw at a construction site during exercise Red Dagger at Fort Indiantown Gap, Pa., May 23, 2018. - U.S. Marines Lance Cpl. Caleb J. Malone (left), combat engineer with Bridge Company C, 6th Engineer Support Battalion, 4th Marine Logistics Group, discards a piece of cut plywood as Lance Cpl. Matthew P. Winter (right), combat engineer with Engineer Company C, 6th ESB, 4th MLG, cuts plywood with a circular saw at a construction site during exercise Red Dagger at Fort Indiantown Gap, Pa., May 23, 2018. Exercise Red Dagger is a bilateral training exercise that gives Marines an opportunity to exchange tactics, techniques and procedures as well as build working relationships with their British counterparts. (U.S. Marine Corps photo by Sgt. Melanie Wolf/Released)

Sgt. Michael Peers, a firepower control team chief with 4th Air Naval Gunfire Liaison Company, Force Headquarters Group, pauses to check which direction his FCT plan on going during a land navigation exercise, in Durness, Scotland, April 30, 2018. 4th ANGLICO is in Scotland to take part in Joint Warrior 18-1, an exercise that furthers their readiness and effectiveness in combined arms integration, small unit tactics and land navigation. This training aims at improving their capabilities and combat effectiveness and ensures they're ready to fight tonight. - Sgt. Michael Peers, a firepower control team chief with 4th Air Naval Gunfire Liaison Company, Force Headquarters Group, pauses to check which direction his FCT plan on going during a land navigation exercise, in Durness, Scotland, April 30, 2018. 4th ANGLICO is in Scotland to take part in Joint Warrior 18-1, an exercise that furthers their readiness and effectiveness in combined arms integration, small unit tactics and land navigation. This training aims at improving their capabilities and combat effectiveness and ensures they're ready to fight tonight.

Marines from Kilo Battery, 2nd Battalion, 14th Marine Regiment, inspect a M142 High Mobility Artillery Rocket System (HIMARS) after being offloaded from an Air Force MC-130, on Fort Campbell, Ky., March 30, 2018. Marines from Kilo Battery flew from Fort Campbell to Dugway Proving Grounds, Utah, where they offloaded and fired four HIMARS missiles, demonstrating a unique capability that will give commanders more options to deal with threats when other options are not appropriate. - Marines from Kilo Battery, 2nd Battalion, 14th Marine Regiment, inspect a M142 High Mobility Artillery Rocket System (HIMARS) after being offloaded from an Air Force MC-130, on Fort Campbell, Ky., March 30, 2018. Marines from Kilo Battery flew from Fort Campbell to Dugway Proving Grounds, Utah, where they offloaded and fired four HIMARS missiles, demonstrating a unique capability that will give commanders more options to deal with threats when other options are not appropriate.

The exercise enabled Reserve Marines to spend two weeks working together, battling the elements to ensure that they are ready to fight tonight and respond to the nation’s calls. - Marines with Weapons Company, 1st Battalion, 24th Marines, 4th Marine Division, navigate the route to their next checkpoint during the final exercise of exercise Nordic Frost on Camp Ethan Allen Training Site in Jericho, Vt., Jan. 22, 2018. The exercise allowed Marines to demonstrate their ability to operate in a cold weather mountainous environment, conducting land navigation, marksmanship training, demolitions, call for fire training and other core competencies.

Lance Cpl. Miguel Salazar, an unmanned aerial vehicle technician with Marine Unmanned Aerial Vehicle Squadron 4, Marine Aircraft Group 41, 4th Marine Aircraft Wing, Marine Forces Reserve, returns an RQ-7 Shadow to the VMU-4 hanger at Camp Wilson, Marine Air Ground Combat Center, Twentynine Palms, California, June 22, 2017. VMU-4 provided aerial reconnaissance in support of the 2nd Battalion, 25th Marine Regiment, 4th Marine Division, MARFORRES final battalion exercise of ITX 4-17. - Lance Cpl. Miguel Salazar, an unmanned aerial vehicle technician with Marine Unmanned Aerial Vehicle Squadron 4, Marine Aircraft Group 41, 4th Marine Aircraft Wing, Marine Forces Reserve, returns an RQ-7 Shadow to the VMU-4 hanger at Camp Wilson, Marine Air Ground Combat Center, Twentynine Palms, California, June 22, 2017. VMU-4 provided aerial reconnaissance in support of the 2nd Battalion, 25th Marine Regiment, 4th Marine Division, MARFORRES final battalion exercise of ITX 4-17.

Lance Cpl. Emmitt Aimino, a rifleman with Company C, 1st Battalion, 25th Marine Regiment, 4th Marine Division, secures his snow shoes during exercise Riley Xanten II, in Burwash, Ontario, Feb. 3-5, 2017. During the exercise, the Marines joined soldiers from the Canadian Armed Forces to exchange knowledge and increase proficiency in cold weather tactics, survival skills, shelter building, ice fishing, and more. - Lance Cpl. Emmitt Aimino, a rifleman with Company C, 1st Battalion, 25th Marine Regiment, 4th Marine Division, secures his snow shoes during exercise Riley Xanten II, in Burwash, Ontario, Feb. 3-5, 2017. During the exercise, the Marines joined soldiers from the Canadian Armed Forces to exchange knowledge and increase proficiency in cold weather tactics, survival skills, shelter building, ice fishing, and more.