U.S. Marine Corps photo by Sgt. Melissa Wenger/Released 140612-M-RR352-001.JPG
Jun 16, 2014
Lance Cpl. Alan Filmer, an armorer with Combat Logistics Battalion 11, 11th Marine Expeditionary Unit, and a Portland native, performs maintenance on a Mk 19 automatic grenade launcher during Certification Exercise (CERTEX) off the coast of Southern California June 12. CERTEX serves as the final at-sea period for the 11th MEU and Amphibious Squadron 5. It is designed to strengthen the blue-green team's ability to operate together, and to respond to various situations while deployed.
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