Coast Guard Petty Officer 3rd Class Milo Serrano and Coast Guard Petty Officer 2nd Class Roxana Guerrero perform preventative maintenance on a fuel filter housing while onboard U.S. Naval Station Guantanamo Bay, Nov. 10. The machinery technicians are part of the U.S. Coast Guard Maritime Safety and Security Team 91101, forward deployed to perform maritime anti-terrorism and force protection duties for Joint Task Force Guantanamo.