military installation
(1) The terms “military installation” and “realignment” have the meanings given those terms in section 2687 of this title . For purposes of paragraphs (1)(D) and (E) and (5)(D) of subsection (b) and subsection (d), the term “military installation” includes a military facility owned and operated by any of the several States, the District of Columbia, the Commonwealth of Puerto Rico, American Samoa, Guam, the Commonwealth of the Northern Mariana Islands, or the Virgin Islands, even though the facility is not under the jurisdiction of the Department of Defense, if the Secretary of Defense determines that the military facility is subject to significant use for training by the armed forces.