Enterprise Security Operations Center (FBI)企业安全运营中心(FBI) Environmental Satellite Operations Center (Schreiver AFB, Colorado)营运中心(Schreiver环境卫星AFB,科罗拉多州) European Space Operations Centre欧洲太空中心 European Space Operations Center欧洲太空行动中心(雷达) Emergency Supply Operations Center应急电源的营运中心 Earth Station Ownership Committee (US FCC; commercial ownership of multipurpose ground stations)地球站(美国FCC所有权委员会;商业所有权的多功能地面车站) Equivalent State of Charge同等的费用