Marine Sgt. Jeramiah Serfling, crew chief for Marine Medium Tiltrotor Squadron (VMM) 161, Marine Aircraft Group 16, 3d Marine Aircraft Wing, secures a door on an VM-22b Osprey out at sea Feb. 8, 2017. Marines with VMM-161 performed deck-landing qualifications on the 15th Marine Expeditionary Unit in support of training being conducted during a group sail.

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Keywords: 15meu, archive, armed, california, chief, crew, defence, forces, group, military, miramar, mv22, reportage, sails, servicemen, usa, usmc, vmm-161