<P> This is a list of military installations owned or used by the United States Armed Forces currently located in the United States and around the world . This list details only current or recently closed facilities; some defunct facilities are found at Category: Closed military installations of the United States . </P> <P> An "installation" is defined as "a military base, camp, post, station, yard, center, homeport facility for any ship, or other activity under the jurisdiction of the Department of Defense, including leased space, that is controlled by, or primarily supports DoD's activities . An installation may consist of one or more sites" (geographically - separated real estate parcels). </P> <P> The United States is the largest operator of military bases abroad, with 38 "named bases" having active - duty, national guard, reserve, or civilian personnel as of September 30, 2014 . Its largest, in terms of personnel, was Ramstein AB, in Germany, with almost 9,200 personnel . </P> <Ul> <Li> The Pentagon </Li> </Ul>

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