Joint Base

A joint base (JB) is a base of the United States military utilized by multiple military services; one service hosts one or more other services as tenants on the base. In most cases, joint bases have interservice support agreements (ISSAs) to govern how the host provides services to the tenants. The practice originated during Base Realignment and Closure (BRAC), 1993, in which joint reserve bases were established at Willow Grove, PA and Fort Worth, TX. Base Realignment and Closure, 2005 added to this list when 26 bases were combined into twelve and renamed as joint bases. In addition, several other uses of the term “joint” are used in names of bases in the United States military and are described below.