Occupation of Alcatraz manhood." Some 50 of the Alcatraz occupiers traveled to the East Bay and began an occupation of an abandoned and dilapidated Nike Missile installation located in the hills behind the community of Kensington in June 1971. This occupation was ended after three days by a combined force of Richmond Police and regular US Army troops from the Presidio of San Francisco. Moreover, the Alcatraz Occupation greatly influenced the American government's decision to end its Indian termination policy and to pass the Indian Self-Determination and Education Assistance Act of 1975. The Alcatraz Occupation led to an annual celebration of the rights
Alcatraz Citadel coves and bay. In 1882, the citadel was enlarged to provide more accommodation for the families of the military officers working on Alcatraz. Between 1873 and 1895, 32 Native Americans were imprisoned at the citadel on Alcatraz, including 19 Hopi men held in captivity there between January and August 1895 after being transferred from Fort Defiance. The island continued to develop in the 1880s and in 1898 the population of Alcatraz increased dramatically from 26 to over 450 due to the Spanish–American War and placed a demand for new buildings. The original barracks evolved into Building 64 in 1905. The