Marines of Battery M, 3rd Battalion 14th Marine Regiment, Marine Forces Reserve, march together at the Methodist Church in Hixson, Tennessee, July 24, 2015. The Marines attended the funeral of their fallen brother, Staff Sgt. David A. Wyatt, one of five service members killed by a gunman at the Naval Operational Support Center and Marine Corps Reserve Center on July 16, 2015. Wyatt was taken to the Chattanooga National Cemetery after the church service to be laid to rest with full military honors.