161208-N-ZP059-009 SILVERDALE, Wash. (Dec. 8, 2016) Sailors assigned to Marine Corps Security Force Battalion (MCSFB), Convoy Company sing "Amazing Grace" during a memorial service for Petty Officer 1st Class Charity Faulkner in the Naval Base Kitsap-Bangor Chapel. The mission of MCSFB is to provide limited duration expeditionary antiterrorism and security forces in support of designated component and geographic combatant commanders in order to protect vital naval and national assets. (U.S. Navy photo by Petty Officer 2nd Class Jacob G. Sisco/Released)