U.S. Navy Petty Officer 2nd Class Joshua Thomas casts a mooring line to sailors aboard the guided-missile destroyer USS O'Kane (DDG77) as it departs Joint Base Pearl Harbor-Hickam, Hawaii, March 23, 2012, for a deployment to the Western Pacific. USS O'Kane, is deploying under the Middle Pacific Surface Combatant deployment concept in which Pearl Harbor-based ships deploy in support of operations primarily in the Western Pacific under Commander, U.S. 7th Fleet.