From http://www.titanmissilemuseum.org/
"At the Titan Missile Museum, near Tucson, Arizona, visitors journey through time to stand on the front line of the Cold War. This preserved Titan II missile
site, officially known as complex 571-7, is all that remains of the 54 Titan II missile sites that were on alert across the United States from 1963 to 1987.
Able to launch from its underground silo in just 58 seconds, the Titan II was capable of delivering a 9-megaton nuclear warhead to targets more than 6300
miles (10,000 km) away in about 30 minutes. Nowhere else in the world can visitors get this close to an intercontinental ballistic missile in its operational environment.
This one-of-a kind museum gives visitors a rare look at the technology used by the United States to deter nuclear war. What was once one of America's most top secret places is now a National Historic Landmark, fulfilling its new mission of bringing Cold War history to life for millions of visitors from around the world."
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