180322-N-VK310-0151 PHILIPPINE SEA (March 22, 2018) Sailors enter a space to combat a simulated fire during a main space fire drill aboard the amphibious assault ship USS Wasp (LHD 1). Wasp, part of the Wasp Expeditionary Strike Group, with embarked 31st Marine Expeditionary Unit (31st MEU), is operating in the Indo-Pacific region to enhance interoperability with partners, serve as a ready-response force for any type of contingency and advance the Up-Gunned ESG concept. (U.S. Navy photo by Mass Communication Specialist 3rd Class Michael Molina/Released)