170727-N-BK384-186 PACIFIC OCEAN (July 27, 2017) An AH-1Z Viper attack helicopter assigned the Marine Medium Tiltrotor Squadron (VMM) 161 (Reinforced) prepares to land aboard the amphibious transport dock ship USS San Diego (LPD 22). San Diego is part of the America Amphibious Ready Group, which is operating in the Indo-Asia Pacific region to strengthen partnerships and serve as a ready-response force for any type of contingency. (U.S. Navy photo by Mass Communication Specialist 3rd Class Justin A. Schoenberger/Released)