Moffett Federal Airfield, also known as Moffett Field, is a joint civil-military airport located in an unincorporated part of Santa Clara County between northern Mountain View and northern Sunnyvale, California, USA. On November 10, 2014, NASA announced that it would be leasing the airfield to Google for 60 years.The airport is near the south end of San Francisco Bay, northwest of San Jose. Formerly a United States Navy facility, the former naval air station is now owned and operated by the NASA Ames Research Center. Tenant military activities include the 129th Rescue Wing of the California Air National Guard, operating the MC-130P Combat Shadow and HH-60G Pave Hawk aircraft, as well as the adjacent Headquarters for the 7th Psychological Operations Group of the U.S. Army Reserve. Until 28 July 2010, the U.S. Air Force's 21st Space Operations Squadron was also a tenant command at Moffett Field, occupying the former Onizuka Air Force Station. In addition to these military activities, NASA also operates several of its own aircraft from Moffett.