Alcatraz Island 1906 San Francisco earthquake, civilian prisoners were transferred to Alcatraz for safe confinement. On March 21, 1907, Alcatraz was officially designated as the Western U.S. Military Prison, later Pacific Branch, U.S. Disciplinary Barracks, 1915. In 1909 construction began on the huge concrete main cell block, designed by Major Reuben Turner, which remains the island's dominant feature. It was completed in 1912. To accommodate the new cell block, the Citadel, a three-story barracks, was demolished down to the first floor, which was actually below ground level. The building had been constructed in an excavated pit (creating a dry "moat") to enhance
New Alcatraz and at Netflix. New Alcatraz New Alcatraz (named Boa on VHS and DVD), is a 2002 American direct-to-video science fiction action horror film. It was directed by Phillip Roth and starred Dean Cain. In New Alcatraz, the world's most secure prison located in Northeastern Antarctica, a drilling operation occurs which inadvertently releases a giant boa constrictor from the ice. The snake chews a hole through the ice, and security discovers it days later. However, during an inspection of the hole, the snake is let loose into the prison, killing three workers in the process. The prison sends out a distress