100929-N-4281P-100 PACIFIC OCEAN (Sept. 29, 2010) Sailors aboard the guided-missile destroyer USS Preble (DDG 88) conduct an operational tomahawk missile launch while underway in a training area off the coast of California. The launch tested the proficiency of the crew as well as the missile's ability to track and destroy targets well over the horizon. (U.S. Navy photo by Mass Communication Specialist 1st Class Woody Paschall/Released)