Marines from 3rd Battalion, 25th Marine Regiment, 4th Marine Division, participated in a Color Guard ceremony at game one of the 2016 World Series at Progressive Field in Cleveland, Oct. 25, 2016. Just before the ceremony, announcer Bob Tyek gave credit to the Marine Corps Reserve and its 100 years of faithful service. Today, approximately 500 Reserve Marines are providing fully integrate global operational support to the Fleet and Combatant Commanders. For more information on the history and heritage of the Marine Corps Reserve as well as current Marine stories and upcoming Centennial events, please visit www.marines.mil/usmcr100. (U.S. Marine Corps photo by Lance Cpl. Dallas Johnson) - Marines from 3rd Battalion, 25th Marine Regiment, 4th Marine Division, participated in a Color Guard ceremony at game one of the 2016 World Series at Progressive Field in Cleveland, Oct. 25, 2016. Just before the ceremony, announcer Bob Tyek gave credit to the Marine Corps Reserve and its 100 years of faithful service. Today, approximately 500 Reserve Marines are providing fully integrate global operational support to the Fleet and Combatant Commanders. For more information on the history and heritage of the Marine Corps Reserve as well as current Marine stories and upcoming Centennial events, please visit www.marines.mil/usmcr100. (U.S. Marine Corps photo by Lance Cpl. Dallas Johnson)

Lance Cpl. Santos Alfonso Nieves Baez, a landing support specialist with Detachment 1, Landing Support Company, Combat Logistics Regiment 45, 4th Marine Logistics Group, poses for a picture before the Marine Corps Reserve Centennial celebration concert begins at the Centro de Bellas Artes de Humacao, Oct. 20, 2016. Baez was joined by his unit, Marine Corps Band New Orleans and members of the Puerto Rican community to commemorate the Centennial of the Marine Corps Forces Reserve. (U.S. Marine Corps photo by Sgt. Sara Graham) - Lance Cpl. Santos Alfonso Nieves Baez, a landing support specialist with Detachment 1, Landing Support Company, Combat Logistics Regiment 45, 4th Marine Logistics Group, poses for a picture before the Marine Corps Reserve Centennial celebration concert begins at the Centro de Bellas Artes de Humacao, Oct. 20, 2016. Baez was joined by his unit, Marine Corps Band New Orleans and members of the Puerto Rican community to commemorate the Centennial of the Marine Corps Forces Reserve. (U.S. Marine Corps photo by Sgt. Sara Graham)

Chief Warrant Officer 4 Patrick M. Barnes, officer in charge, Admin Assist Unit, Marine Force Reserve, walks senior administrators through a practical application exercise that teaches process management by writing a procedure on how to make the perfect peanut butter sandwich during the 2016 Senior Administrator Symposium aboard Naval Air Station Joint Reserve Base Belle Chasse, La., Oct. 12-13, 2016. The symposium utilized instruction and practical application to help senior administrative personnel understand how and why the implementation of the Battalion Level Administrative Management initiative will improve Reserve units’ ability to pass MCAAT inspections. The initiative will mitigate the issues with the current system. (U.S. Marine Corps photo by Sgt. Sara Graham) - Chief Warrant Officer 4 Patrick M. Barnes, officer in charge, Admin Assist Unit, Marine Force Reserve, walks senior administrators through a practical application exercise that teaches process management by writing a procedure on how to make the perfect peanut butter sandwich during the 2016 Senior Administrator Symposium aboard Naval Air Station Joint Reserve Base Belle Chasse, La., Oct. 12-13, 2016. The symposium utilized instruction and practical application to help senior administrative personnel understand how and why the implementation of the Battalion Level Administrative Management initiative will improve Reserve units’ ability to pass MCAAT inspections. The initiative will mitigate the issues with the current system. (U.S. Marine Corps photo by Sgt. Sara Graham)

Marines and Sailors from 1st Battalion, 25th Marine Regiment, 4th Marine Division, gather at the Massachusetts Fallen Heroes Memorial during the unit’s 10-year reunion, here, Oct. 8, 2016. The service members gathered to reflect and recognize the accomplishments of their deployment to Fallujah, Iraq, as well as memorialize the lives of their fallen brothers. (U.S. Marine Corps photo by Cpl. Melissa Martens/ Released) - Marines and Sailors from 1st Battalion, 25th Marine Regiment, 4th Marine Division, gather at the Massachusetts Fallen Heroes Memorial during the unit’s 10-year reunion, here, Oct. 8, 2016. The service members gathered to reflect and recognize the accomplishments of their deployment to Fallujah, Iraq, as well as memorialize the lives of their fallen brothers. (U.S. Marine Corps photo by Cpl. Melissa Martens/ Released)

Marine Aircraft Group 49, 4th Marine Aircraft Wing, held a memorial ceremony Sept. 18, 2016, at Naval Air Station Joint Reserve Base New Orleans, La., to honor two fallen pilots from their unit. Maj. Erik A. Boyce and Maj. Jason Grogan were killed July 6, 2016, when the Bell 525 helicopter they were piloting crashed near Arlington, Texas. Grogan and Boyce were both assigned to Marine Light Attack Helicopter Squadron 773, Detachment A, at NAS JRB New Orleans at the time of their deaths. - Marine Aircraft Group 49, 4th Marine Aircraft Wing, held a memorial ceremony Sept. 18, 2016, at Naval Air Station Joint Reserve Base New Orleans, La., to honor two fallen pilots from their unit. Maj. Erik A. Boyce and Maj. Jason Grogan were killed July 6, 2016, when the Bell 525 helicopter they were piloting crashed near Arlington, Texas. Grogan and Boyce were both assigned to Marine Light Attack Helicopter Squadron 773, Detachment A, at NAS JRB New Orleans at the time of their deaths.

Retired Lance Cpl. Alex R. Arteaga, a former MV-22 Osprey mechanic with Marine Medium Tiltrotor Squadron 263, and Lance Cpl. Torffic Hassan, a Reserve Marine with 6th Communications Battalion, take the Naturalization Oath of Allegiance March 22, 2013, during a Naturalization Ceremony at the Federal Hall National Memorial. Arteaga came to the United States from the Republic of Ecuador in 2005 and Hassan immigrated in 2009 from the Republic of Ghana, West Africa. (U.S. Marine Corps photo by Cpl. Juan D. Alfonso) - Retired Lance Cpl. Alex R. Arteaga, a former MV-22 Osprey mechanic with Marine Medium Tiltrotor Squadron 263, and Lance Cpl. Torffic Hassan, a Reserve Marine with 6th Communications Battalion, take the Naturalization Oath of Allegiance March 22, 2013, during a Naturalization Ceremony at the Federal Hall National Memorial. Arteaga came to the United States from the Republic of Ecuador in 2005 and Hassan immigrated in 2009 from the Republic of Ghana, West Africa. (U.S. Marine Corps photo by Cpl. Juan D. Alfonso)

Maj. Bert J. Reinink (left), Inspector-Instructor of Company C, 1st Battalion, 24th Marines, 25th Marine Regiment, presents the Navy Commendation Medal with a bronze “V” for valor to Daniel S. Baldwin, a Marine veteran who served in Vietnam, at the State Capitol building Sept. 2, 2016. Baldwin was honored for his combat heroism during the Vietnam War and for his brave actions that helped defeat enemy forces. (U.S. Marine Corps photo by Cpl. Melissa Martens/ Released) - Maj. Bert J. Reinink (left), Inspector-Instructor of Company C, 1st Battalion, 24th Marines, 25th Marine Regiment, presents the Navy Commendation Medal with a bronze “V” for valor to Daniel S. Baldwin, a Marine veteran who served in Vietnam, at the State Capitol building Sept. 2, 2016. Baldwin was honored for his combat heroism during the Vietnam War and for his brave actions that helped defeat enemy forces. (U.S. Marine Corps photo by Cpl. Melissa Martens/ Released)