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Marines

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Marines with Alpha Company, 4th Combat Engineer Battalion, 4th Marine Division, arrive at Training Area Delta for an obstacle clearing detachment practical application, during Integrated Training Exercise 4-18, aboard Marine Corps Air Ground Combat Center Twentynine Palms, California, June 12, 2018. The OCD training was conducted to prepare Marines for the execution of a live-fire combined arms breach in which mechanized units will detonate a 1,000 pound mine clearing charge.

Marines with Alpha Company, 4th Combat Engineer Battalion, 4th Marine Division, arrive at Training Area Delta for an obstacle clearing detachment practical application, during Integrated Training Exercise 4-18, aboard Marine Corps Air Ground Combat Center Twentynine Palms, California, June 12, 2018. The OCD training was conducted to prepare Marines for the execution of a live-fire combined arms breach in which mechanized units will detonate a 1,000 pound mine clearing charge.

Photo by Cpl. Dallas Johnson

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, conduct a helicopter borne assault via MV-22 and CH-53 platforms during platoon attacks as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photos provided by 1st Bn., 25th Marines)

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, conduct a helicopter borne assault via MV-22 and CH-53 platforms during platoon attacks as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photos provided by 1st Bn., 25th Marines)

Photo by Sgt. Ian Ferro

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, conduct a helicopter borne assault via MV-22 and CH-53 platforms during platoon attacks as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, conduct a helicopter borne assault via MV-22 and CH-53 platforms during platoon attacks as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Photo by Sgt. Ian Ferro

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, conduct a helicopter borne assault via MV-22 and CH-53 platforms during platoon attacks as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, conduct a helicopter borne assault via MV-22 and CH-53 platforms during platoon attacks as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Photo by Sgt. Ian Ferro

Marines with Surveillance and Target Acquisition Platoon and Company C, Weapons Platoon, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, prosecute targets from support-by-fire positions during a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Marines with Surveillance and Target Acquisition Platoon and Company C, Weapons Platoon, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, prosecute targets from support-by-fire positions during a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Photo by Sgt. Ian Ferro

Marines with Surveillance and Target Acquisition Platoon and Company C, Weapons Platoon, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, prosecute targets from support-by-fire positions during a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Marines with Surveillance and Target Acquisition Platoon and Company C, Weapons Platoon, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, prosecute targets from support-by-fire positions during a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Photo by Sgt. Ian Ferro

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, conduct a helicopter borne assault via MV-22 and CH-53 platforms during platoon attacks as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, conduct a helicopter borne assault via MV-22 and CH-53 platforms during platoon attacks as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Photo by Sgt. Ian Ferro

Marines with Company B, 1st Battalion, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, fire 60mm mortar rounds in support a company attack during a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Bn., 25th Marines, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)25 Marines)

Marines with Company B, 1st Battalion, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, fire 60mm mortar rounds in support a company attack during a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Bn., 25th Marines, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)25 Marines)

Photo by Sgt. Ian Ferro

Marines with Surveillance and Target Acquisition Platoon and Company C, Weapons Platoon, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, prosecute targets from support-by-fire positions during a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Bn., 25th Marines, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Marines with Surveillance and Target Acquisition Platoon and Company C, Weapons Platoon, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, prosecute targets from support-by-fire positions during a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Bn., 25th Marines, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Photo by Sgt. Ian Ferro

Corpsmen and Marines with Company C., 1st Battalion, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, conduct a cherrypicker casualty evacuation simulation during a platoon attack as part of a Mission Rehearsal Exercise aboard U.S .Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Bn., 25th Marines, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Corpsmen and Marines with Company C., 1st Battalion, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, conduct a cherrypicker casualty evacuation simulation during a platoon attack as part of a Mission Rehearsal Exercise aboard U.S .Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Bn., 25th Marines, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Photo by Sgt. Ian Ferro

Marines with Combined Anti-Armor Platoon, 1st Battalion, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, execute a tube-launched, optically tracked, wire-guided missile fire during a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Marines with Combined Anti-Armor Platoon, 1st Battalion, 25th Marine Regiment, 4th Marine Division, Marine Forces Reserve, execute a tube-launched, optically tracked, wire-guided missile fire during a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photo provided by 1st Bn., 25th Marines)

Photo by Sgt. Ian Ferro

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, prepare detonation cord for deception breaches during a platoon and company attack as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 4, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photos provided by 1st Bn., 25th Marines)

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, prepare detonation cord for deception breaches during a platoon and company attack as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 4, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photos provided by 1st Bn., 25th Marines)

Photo by Sgt. Ian Ferro

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, conduct a helicopter borne assault via MV-22 and CH-53 platforms during platoon attacks as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photos provided by 1st Bn., 25th Marines)

Marines with Company A., 4th Combat Engineer Battalion, 4th Marine Division, Marine Forces Reserve, conduct a helicopter borne assault via MV-22 and CH-53 platforms during platoon attacks as part of a Mission Rehearsal Exercise aboard U.S. Army Fort A.P. Hill, Va., April 6, 2018. Along with its combat engineer battalion, combat logistics battalion, assault amphibious vehicle and artillery attachments, 1st Battalion., 25th Marine Regiment, conducted a 10-drill MRX in preparation for Integrated Training Exercise 4-18. This MRX was a stepping stone in a force generation plan to ensure that once 1st Bn., 25th Marines, 1st Bn., 23rd Marines, and other ready bench units complete ITX 4-18, they will be ready to rapidly respond to a national security threat with maximum capability. (Courtesy photos provided by 1st Bn., 25th Marines)

Photo by Sgt. Ian Ferro

Marines from the 4th Combat Engineer Battalion receive the 2014 Department of Defense Reserve Family Readiness Award on Feb. 27, 2015, at the Pentagon Hall of Heroes. The DoD RFRA program was established in 2000 to recognize the top unit in each Reserve component that demonstrated outstanding family readiness in support of superior mission readiness.

Marines from the 4th Combat Engineer Battalion receive the 2014 Department of Defense Reserve Family Readiness Award on Feb. 27, 2015, at the Pentagon Hall of Heroes. The DoD RFRA program was established in 2000 to recognize the top unit in each Reserve component that demonstrated outstanding family readiness in support of superior mission readiness.

Photo by Lance Cpl. Julia D'Agostino

Marines from the 4th Combat Engineer Battalion receive the 2014 Department of Defense Reserve Family Readiness Award on Feb. 27, 2015, at the Pentagon Hall of Heroes. The DoD RFRA program was established in 2000 to recognize the top unit in each Reserve component that demonstrated outstanding family readiness in support of superior mission readiness.

Marines from the 4th Combat Engineer Battalion receive the 2014 Department of Defense Reserve Family Readiness Award on Feb. 27, 2015, at the Pentagon Hall of Heroes. The DoD RFRA program was established in 2000 to recognize the top unit in each Reserve component that demonstrated outstanding family readiness in support of superior mission readiness.

Photo by Lance Cpl. Remington Hall

Marines from the 4th Combat Engineer Battalion receive the 2014 Department of Defense Reserve Family Readiness Award on Feb. 27, 2015, at the Pentagon Hall of Heroes. The DoD RFRA program was established in 2000 to recognize the top unit in each Reserve component that demonstrated outstanding family readiness in support of superior mission readiness.

Marines from the 4th Combat Engineer Battalion receive the 2014 Department of Defense Reserve Family Readiness Award on Feb. 27, 2015, at the Pentagon Hall of Heroes. The DoD RFRA program was established in 2000 to recognize the top unit in each Reserve component that demonstrated outstanding family readiness in support of superior mission readiness.

Photo by Lance Cpl. Remington Hall

MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. - Marines with Company C, 4th Combat Engineer Battalion, Lynchburg, Va., leap from a Mine Resistant Ambush Protected Vehicle Egress Trainer aboard Camp Wilson here July 4 during exercise Javelin Thrust 2012. Javelin Thrust is an annual large-scale exercise at which allows active and reserve Marines and Sailors from 38 different states to train together as a seamless Marine Air Ground Task Force. (U.S. Marine Corps photo by Sgt. Alvin D. Parson/Released)

MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. - Marines with Company C, 4th Combat Engineer Battalion, Lynchburg, Va., leap from a Mine Resistant Ambush Protected Vehicle Egress Trainer aboard Camp Wilson here July 4 during exercise Javelin Thrust 2012. Javelin Thrust is an annual large-scale exercise at which allows active and reserve Marines and Sailors from 38 different states to train together as a seamless Marine Air Ground Task Force. (U.S. Marine Corps photo by Sgt. Alvin D. Parson/Released)

Photo by Sgt. Alvin D. Parson Jr.

MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. - Cpl. Justin Wilson, Lynchburg Va., with Company C, 4th Combat Engineer Battalion, rushes from a Mine Resistant Ambush Protected Vehicle Egress Trainer aboard Camp Wilson here July 4 during Exercise Javelin Thrust 2012. Javelin Thrust is an annual large-scale exercise which allows active and reserve Marines and Sailors from 38 different states to train together as a seamless Marine Air Ground Task Force. (Photo by Sgt. Alvin D. Parson/Released)

MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. - Cpl. Justin Wilson, Lynchburg Va., with Company C, 4th Combat Engineer Battalion, rushes from a Mine Resistant Ambush Protected Vehicle Egress Trainer aboard Camp Wilson here July 4 during Exercise Javelin Thrust 2012. Javelin Thrust is an annual large-scale exercise which allows active and reserve Marines and Sailors from 38 different states to train together as a seamless Marine Air Ground Task Force. (Photo by Sgt. Alvin D. Parson/Released)

Photo by Sgt. Alvin D. Parson Jr.

MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. - Marines with Company C, 4th Combat Engineer Battalion, Lynchburg, Va., form a security line after exiting a Mine Resistant Ambush Protected Vehicle Egress Trainer aboard Camp Wilson here July 4 during exercise Javelin Thrust 2012. Javelin Thrust is an annual large-scale exercise which allows active and reserve Marines and Sailors from 38 different states to train together as a seamless Marine Air Ground Task Force. (U.S. Marine Corps photo by Sgt. Alvin D. Parson/Released)

MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. - Marines with Company C, 4th Combat Engineer Battalion, Lynchburg, Va., form a security line after exiting a Mine Resistant Ambush Protected Vehicle Egress Trainer aboard Camp Wilson here July 4 during exercise Javelin Thrust 2012. Javelin Thrust is an annual large-scale exercise which allows active and reserve Marines and Sailors from 38 different states to train together as a seamless Marine Air Ground Task Force. (U.S. Marine Corps photo by Sgt. Alvin D. Parson/Released)

Photo by Sgt. Alvin D. Parson Jr.

MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. - Cpls. Britton Burkett, Danville Va., and Josh Stanley, Richmond Va., with Company C, 4th Combat Engineer Battalion, suit up for Dry Rollover Egress Training aboard Camp Wilson here July 4 during Exercise Javelin Thrust 2012. Javelin Thrust is an annual large-scale exercise which allows active and reserve Marines and Sailors from 38 different states to train together as a seamless Marine Air Ground Task Force. (Photo by Sgt. Alvin D. Parson/Released)

MARINE CORPS AIR GROUND COMBAT CENTER TWENTYNINE PALMS, Calif. - Cpls. Britton Burkett, Danville Va., and Josh Stanley, Richmond Va., with Company C, 4th Combat Engineer Battalion, suit up for Dry Rollover Egress Training aboard Camp Wilson here July 4 during Exercise Javelin Thrust 2012. Javelin Thrust is an annual large-scale exercise which allows active and reserve Marines and Sailors from 38 different states to train together as a seamless Marine Air Ground Task Force. (Photo by Sgt. Alvin D. Parson/Released)

Photo by Sgt. Alvin D. Parson Jr.