SgtMaj Justin G. Gruber
Sergeant Major Gruber was born in Albany, New York. Upon graduation from high school in 1995 he enlisted into the Marine Corps. After graduation from Boot Camp and the School of Infantry he was awarded the Military Occupational Specialty, Infantry Machine Gunner. His first duty assignment was as a gunner in Fox Company, 2d Battalion, 2d Marines. While assigned to Fox Company, Sergeant Major Gruber deployed on the 22d Marine Expeditionary Unit aboard the USS Guam in January 1996 and participated in Operation Assured Response, at the United States Embassy in Monrovia, Liberia.
Upon his return, Sergeant Major Gruber assumed the billet of team leader, was promoted to the rank of Corporal in 1997 and deployed with Fox Company, 2d Battalion, 2d Marines on the 22d Marine Expeditionary Unit. In June 1998 aboard the USS Saipan. While deployed, Sergeant Major Gruber participated in a security mission at the United States Embassy in Tirana, Albania. Sergeant Major Gruber was promoted to the rank of Sergeant in 1998 and transferred to Marine Security Guard School at Quantico, Virginia in March 1999. Upon graduation he reported to American Embassy Nicosia, Cyprus in May 1999 where he served as a watch stander. He transferred to American Embassy Kathmandu, Nepal in August 2000.
He again transferred in November 2001 to serve as Assistant Detachment Commander at the American Embassy in Rome, Italy. He was promoted to the rank of Staff Sergeant in November 2002 and transferred to the Pentagon in May 2003 to serve as a Security Team Leader at the National Military Command Center. In 2004, Sergeant Major Gruber transferred to Echo Company, 2d Battalion, 6th Marines where he served as a Platoon Sergeant and deployed to Fallujah, Iraq in September 2005 in support of Operation Iraqi Freedom. Upon returning to the United States in April 2006, he was promoted to the rank of Gunnery Sergeant in January 2007 and again deployed to Fallujah, Iraq in March 2007 with 2d Battalion, 6th Marines as a Platoon Commander in support of Operation Iraqi Freedom. Sergeant Major Gruber transferred to Headquarters Company, Headquarters and Service Battalion "The Beast" in Quantico, Virginia and served as the Company Gunnery Sergeant.
In February 2011, Sergeant Major Gruber was "frocked" to the rank of First Sergeant and transferred for duty as the Company Sergeant Major for India Company, 3th Battalion, 5th Marines. He deployed on the 15th MEU in September 2012 and then transferred to Kilo Company, 3th Battalion, 5th Marines. In December 2013 he transferred to Communications Company, Headquarters Battalion. In January 2015 he reported for duty to 3rd Combat Assault Battalion, where he served in Headquarters and Service Company, Company Sergeant Major. Sergeant Major Gruber was frocked to his current rank in January 2016.
Sergeant Major Gruber's personal awards include Purple Heart Medal, Navy and Marine Corps Commendation Medals (3), Joint Service Achievement Medal, Navy and Marine Corps Achievement Medal (3), and Combat Action Ribbon (2).