the organization's move to Oakland. It is also the headquarters, at 550 Terry Francois Blvd, of the Old Navy brand of The Gap clothing retailer. It is the location of a new research campus of the University of California, San Francisco, UCSF Mission Bay Mission Bay was to be the location of a 14-acre, two-million-square-foot Salesforce U.S. headquarters. Salesforce abandoned its construction plans for the area in 2012 and sold 12-acres to the NBA's Golden State Warriors in 2014. The site later became the Chase Center. The northern terminus of the Third Street Light Rail Project of the San Francisco Municipal Railway. The northern terminus of Caltrain. An AT&T Fiber to the premises greenfield project. The first new branch of the San Francisco Public Library in over 40 years, The Mission Bay Branch Library, opened on July 8, 2006. It is located on the ground floor of a new multi-use facility, which includes an adult day health center, affordable senior housing, retail space and a large community meeting room. The new library is approximately , and is the 27th branch of the San Francisco Public Library. 455 Mission Bay Boulevard South, originally planned to be the headquarters of Pfizer's Biotherapeutics and Bioinnovation Center (started construction August 5, 2008), occupied by Nektar Therapeutics in November 2010 as their corporate headquarters. The other half of the building is occupied by Bayer's U.S. Innovation Center. Location of the San Francisco Public Safety Building at Third Street and Mission Rock. It includes a Police headquarters, Police Station and Mission Bay Fire Station. Funding for the building was passed with a 79.4 percent positive vote on Proposition B. The home of Rock Health, a seed accelerator for digital health startups. An estimated 56 biotech companies were clustered in Mission Bay in mid-2010. The San Francisco Bay Trail. The Blue Greenway waterfront trail. Sinking sidewalk on the 1200 block of 4th street. Mission Bay is served by the N Judah and T Third Street lines of San Francisco's Muni Metro. The N Judah links the neighborhood to Downtown, BART, Hayes Valley and the Sunset District, and the T Third Street links to downtown, BART, and the Bayview and Visitacion Valley neighborhoods. Several other Muni bus and trolley bus lines link the area to neighborhoods to the north, west and south. The Caltrain commuter rail system connects Mission Bay with San Jose and Gilroy. The proposed Central