PASCAGOULA, Miss. - Petty Officer 1st Class Cheryl Chapman works on a drawing that traces the piping of one of the installed firefighting systems onboard Coast Guard Cutter Bertholf Feb. 7. All crewmembers stationed onboard Coast Guard cutters must complete familiarization drawings of the firefighting systems shortly after arriving to help prepare for emergencies. U.S. Coast Guard Photo by Petty Officer 3rd Class Michael Anderson.