Afghanistan Thank You, Lieutenant Mosko May 17, 2012 Share Read Later Navy photo / MCS Seaman Jasmine SheardSailors tack their warfare insignia on to the casket of Explosive Ordnance Disposal Lieutenant Christopher Mosko as he was buried at Fort Rosencrans National Cemetery near San Diego on May 11. Mosko, 28 and married to a former Navy nurse, was killed in action April 26 by an improvised explosive device in Afghanistan, where he served as a platoon commander for a Combined Joint Special Operations Task Force.