Lt. j.g. Kevin Krmpotich, right, training officer aboard the amphibious transport dock ship USS Denver (LPD 9), explains the function of a naval firefighting thermal imager to Royal Thai Navy lieutenants Srikrung Jai-in, center, and Lt. Kris Sombunsub during a general quarters drill aboard Denver. Srikrung and Sombunsub are observing U.S. Navy ship operations during Cobra Gold 2011. (U.S. Navy photo by Mass Communication Specialist 1st Class Geronimo C. Aquino/Released)