sentences:  And, just one year later on 1 July 1971, Kirtland merged with Manzano and Sandia Base, its neighbors to the east, creating the sprawling military complex known as Kirtland Air Force Base.The center then began providing base support services and continued to do so for the next five years, while Field Command, Defense Nuclear Agency, became a major base tenant rather than the base host organization.Because of budget restrictions and the need to save money, the Air Force Special Weapons Center was disestablished on 1 April 1976.