Petty Officer 2nd Class Joshua Moss, a maritime enforcement specialist at Coast Guard Station Philadelphia, stays ready at the M240 machine gun aboard a 25-foot response boat during a vessel escort Wednesday, Sept. 10, 2014, on the Delaware River. Station Philadelphia carries out numerous Coast Guard missions, including ports, waterways and coastal security, and search and rescue. (U.S. Coast Guard photo by Petty Officer 1st Class Nick Ameen)