At the same time, warships (Arleigh Burke destroyers, Ticonderoga-type cruisers and Los Angeles-type submarines) and naval infantry units were sent to the operating area. Iwo Jima Amphibious Readiness Group (ARG)/22nd Marine Expeditionary Unit (MEU), as well as the unmanned MQ-9 Reaper, additional patrol aircraft and the "Ocean Trader" are the U.S. Military Sealift Command unit serving as a mobile peculiar operations base. That's about 4.5 1000 soldiers.