WOrganization of the United States Marine CorpsWBlack Sea Rotational ForceWCommand element (United States Marine Corps)WFleet Marine ForceWHeadquarters Marine CorpsWIndividual Ready ReserveWMarine Corps Installations EastWMarine Corps Installations PacificWMarine Corps Installations WestWMarine expeditionary unitWRadio Reconnaissance PlatoonWSpecial operations capableWUnited States Marine Corps Scout Sniper