US Navy (USN) Gunners Mate Second Class (GM2) Gene A. Carroll (right) fires Mark 38 (MK-38) 25 mm machine gun system during a live-fire training exercise onboard the USN Whidbey Island Class Dock Landing Ship, USS FORT MCHENRY (LSD 43) while the FORT MCHENRY is underway in the South China Sea participating in Exercise Southeast Asia Cooperation Against Terrorism 2005 (SEACAT 05)