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
Alcatraz Gang Alcatraz Gang The Alcatraz Gang was a group of eleven American prisoners of war (POW) held separately in Hanoi, North Vietnam during the Vietnam War because of their particular resistance to their North-Vietnamese military captors. These eleven POWs were: George Thomas Coker, USN; Jeremiah Denton, USN; Harry Jenkins, USN; Sam Johnson, USAF; George McKnight, USAF; James Mulligan, USN; Howard Rutledge, USN; Robert Shumaker, USN; James Stockdale, USN; Ronald Storz, USAF; and Nels Tanner, USN. These prisoners were held in solitary confinement from 25 October 1967 to 9 December 1969 at a special facility (dubbed "Alcatraz" by Commander Stockdale) in a