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A decommissioned Titan II intercontinental ballistic missile sits in an underground silo at the Titan Missile Museum in Sahuarita, Arizona, USA, 06 April 2015. During the Cold War, Titan II missiles, each armed with a nine-megaton nuclear warhead, were deployed to Arizona, Arkansas, and Kansas and were kept on continuos alert; this site preserves the last remaining Titan II missile and launch facility.