Description: A single site or a grouping of two or more sites for real property inventory reporting. This can include a Base, camp, post, station, yard, center, homeport facility for any ship, or other activity under the jurisdiction of the DoD, including leased facilities or sites at which the Department of Defense is conducting environmental restoration activities, for real property purposes. Installations represent management organizations with a mission. This term does not include any facility used primarily for civil works, river and harbor projects, flood control projects, or contingency operations. (Source: Real Property Inventory Requirements, Jan 05).