Marines with Company C., 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve, drive an amphibious assault vehicle from land into the water during a basic operations exercise at the Galveston Marine Corps Reserve Home Training Center, Aug. 8, 2015. The exercise served as a refresher for the Marines on how to perform basic AAV operations. During the exercise, the Marines drove the AAVs from land to water and performed basic water operations such as left and right turns, forward and reverse, circles and tactic formations. (U.S Marine Corps photo by Corporal Ian Ferro) - Marines with Company C., 4th Assault Amphibian Battalion, 4th Marine Division, Marine Forces Reserve, drive an amphibious assault vehicle from land into the water during a basic operations exercise at the Galveston Marine Corps Reserve Home Training Center, Aug. 8, 2015. The exercise served as a refresher for the Marines on how to perform basic AAV operations. During the exercise, the Marines drove the AAVs from land to water and performed basic water operations such as left and right turns, forward and reverse, circles and tactic formations. (U.S Marine Corps photo by Corporal Ian Ferro)

NEW ORLEANS –Maj. Gen. Burton Francisco, special assistant to the commander of North American Aerospace Defense Command, (left), and Lt. Gen. Richard P. Mills, commander of Marine Forces Reserve and Marine Forces North, follow along during a brief at the Defense Support of Civil Authorities seminar at the Federal City auditorium Aug. 5, 2015. The seminar focuses on events that are likely to happen in the area they occur. With the seminar taking place in Louisiana, the attention focused on hurricane response and coordination, using Hurricane Katrina as a reference. (U.S. Marine Corps Photo by Cpl. J. Gage Karwick/Released) - NEW ORLEANS –Maj. Gen. Burton Francisco, special assistant to the commander of North American Aerospace Defense Command, (left), and Lt. Gen. Richard P. Mills, commander of Marine Forces Reserve and Marine Forces North, follow along during a brief at the Defense Support of Civil Authorities seminar at the Federal City auditorium Aug. 5, 2015. The seminar focuses on events that are likely to happen in the area they occur. With the seminar taking place in Louisiana, the attention focused on hurricane response and coordination, using Hurricane Katrina as a reference. (U.S. Marine Corps Photo by Cpl. J. Gage Karwick/Released)

Marines of Battery M, 3rd Battalion 14th Marine Regiment, Marine Forces Reserve, march together at the Methodist Church in Hixson, Tennessee, July 24, 2015. The Marines attended the funeral of their fallen brother, Staff Sgt. David A. Wyatt, one of five service members killed by a gunman at the Naval Operational Support Center and Marine Corps Reserve Center on July 16, 2015. Wyatt was taken to the Chattanooga National Cemetery after the church service to be laid to rest with full military honors. - Marines of Battery M, 3rd Battalion 14th Marine Regiment, Marine Forces Reserve, march together at the Methodist Church in Hixson, Tennessee, July 24, 2015. The Marines attended the funeral of their fallen brother, Staff Sgt. David A. Wyatt, one of five service members killed by a gunman at the Naval Operational Support Center and Marine Corps Reserve Center on July 16, 2015. Wyatt was taken to the Chattanooga National Cemetery after the church service to be laid to rest with full military honors.

SPRINGFIELD, Mass. – Family and friends of Gunnery Sgt. Thomas J. Sullivan line the streets outside Holy Cross Church in Springfield, Massachusetts, July 27, 2015 during funeral services for Sullivan, who was one of five victims of the Chattanooga, Tennessee shootings July 16, 2015. Along with friends and family, hundreds lined the route of the funeral procession to pay their respects. (U.S. Marine Corps photo by Cpl. J. Gage Karwick/Released) - SPRINGFIELD, Mass. – Family and friends of Gunnery Sgt. Thomas J. Sullivan line the streets outside Holy Cross Church in Springfield, Massachusetts, July 27, 2015 during funeral services for Sullivan, who was one of five victims of the Chattanooga, Tennessee shootings July 16, 2015. Along with friends and family, hundreds lined the route of the funeral procession to pay their respects. (U.S. Marine Corps photo by Cpl. J. Gage Karwick/Released)

Marines, family, friends and community members all gathered together to sing “God Bless America” at Lance Cpl. Squire Wells memorial at Sprayberry High School in Marietta, Georgia, July 21, 2015. Wells was one of the five military members killed by a gunman at the Naval Operational Support Center and Marine Corps Reserve Center in Chattanooga, Tennessee. Those closest to Wells remember him not only as a dedicated Marine but as a young man with contagious enthusiasm and a dedicated loving son. - Marines, family, friends and community members all gathered together to sing “God Bless America” at Lance Cpl. Squire Wells memorial at Sprayberry High School in Marietta, Georgia, July 21, 2015. Wells was one of the five military members killed by a gunman at the Naval Operational Support Center and Marine Corps Reserve Center in Chattanooga, Tennessee. Those closest to Wells remember him not only as a dedicated Marine but as a young man with contagious enthusiasm and a dedicated loving son.

The Marines of Battery M, 3rd Battalion, 14th Marine Regiment pose for a picture with Col. Joseph Russo, commanding officer of 14th Marine Regiment, in front of Schultz’s Battery M monument at Chickamauga and Chattanooga National Military Park in Fort Oglethorpe, Georgia, July 20, 2015. The Marines gathered together at the park to not only honor the Marines and Sailor killed by a gunman at the Naval Operational Support Center and Marine Corps Reserve Center, but to band together as a unit. - The Marines of Battery M, 3rd Battalion, 14th Marine Regiment pose for a picture with Col. Joseph Russo, commanding officer of 14th Marine Regiment, in front of Schultz’s Battery M monument at Chickamauga and Chattanooga National Military Park in Fort Oglethorpe, Georgia, July 20, 2015. The Marines gathered together at the park to not only honor the Marines and Sailor killed by a gunman at the Naval Operational Support Center and Marine Corps Reserve Center, but to band together as a unit.

BAMYAN PROVINCE, Afghanistan -- Petty Officer 2nd Class Michael J. Pornovets, religious program specialist with Company A, 4th Medical Battalion, 4th Marine Logistics Group, poses for a photo in Bamyan Province, Afghanistan, Summer 2006. Pornovets served two tours to Afghanistan while serving on active duty in the U.S. Navy. (Courtesy photo) - BAMYAN PROVINCE, Afghanistan -- Petty Officer 2nd Class Michael J. Pornovets, religious program specialist with Company A, 4th Medical Battalion, 4th Marine Logistics Group, poses for a photo in Bamyan Province, Afghanistan, Summer 2006. Pornovets served two tours to Afghanistan while serving on active duty in the U.S. Navy. (Courtesy photo)