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Location DB >
United States >
Arizona >
Tucson >
Titan II Missile Silo
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created by Wilk
on 5/24/2009 9:26 PM
last modified by ZAZ
on 3/6/2020 12:56 AM
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Publically Viewable |
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This location has been labeled by its creator as Public, and therefore can be viewed by anyone.
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Type: Underground Building
Status: Repurposed into a museum
Accessibility: Difficult
Recommendation: drop everything - must see
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asbestos
rust
air quality
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It's a freakin underground missile base, how much more interesting does it get.
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fences
barbed wire
welded doors
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flashlight
gloves
long pants / sleeves
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Physical Attributes and Layout
Each Titan II missile weighed 270,000lbs at launch and stood 103ft tall. It had a maximum range of 10,000 miles at a maximum speed of 15,000 miles per hour. Each missile was equipped with a 9 megaton W-53 warhead which had the power to cause lethal burns within 15 miles of detonation and cause complete destruction within a 3 miles radius of detonation.
Each Titan II silo was directly connected to an underground launch control center manned by a missile combat crew of two officers and two airman. On the surface, the Titan II launch facilities covered an area of approximately 600 feet by 600 feet. All of the launch facilities were underground. The silo was built of heavily reinforced concrete, and was 147 feet deep and 55 feet in diameter. It was wider than a Titan I silo because the Titan II was designed to be "hot launched" from within the silo. To deflect and channel the exhaust gases, each silo was fitted with a flame deflector at the base and two exhaust ducts that ran up the length of the silo and vented to the surface. Inside the silo there were nine levels of equipment rooms and missile access spaces. The silo was covered with a steel and concrete door that weighed 740 tons and could be opened in 17 to 20 seconds.
The silo was connected to the missile control center by a 250-foot long access tunnel. Between the silo and the launch control center was the blast lock, a single level, heavily reinforced concrete structure containing three rooms. To enter the launch facility the missile crews descended through a 35-foot deep access portal that opened into the blast lock area. Each end of the blast lock was covered by a pair of large steel blast doors, each weighing 6,000 pounds, designed to protect the launch center from either a surface nuclear blast, or the explosion of the missile within the silo. The doors were designed to withstand an pressure in excess of 1000 psi.
The launch control center was a dome-shaped reinforced concrete structure 37 feet in diameter and containing three levels. The three floors within the launch center were suspended from the ceiling to minimize blast shock. The control center provided space for all of the launch control and communications equipment, as well as a mess and sleeping quarters for the 4-person combat crew.
Construction
The Army established operations at Davis-Monthan Air Force Base in 1940, and during World War II, the base supported bomber training operations. In the post-war period, Davis-Monthan fell under the command of the newly formed Strategic Air Command (SAC).
On April 20, 1960, it was announced that the base would support a Titan II missile wing. As with Titan II base construction at Little Rock and McConnell AFBs, the Corps of Engineers implemented a three phase construction concept in an attempt to alleviate problems that had plagued earlier Atlas and Titan I construction projects.
Three companies (Jones, Teer, and Winkelman) combined to bid 27.7 million dollars and received the contract for the first phase of construction, which included the access road, pit and shaft excavations, and blast lock door installation. They broke ground on December 9, 196O. With first phase operations moving forward, second phase operations began on July 13, 1961, as Fluor Corporation and its subcontractors began installing the supporting electrical, fueling, and other auxiliary equipment. The sites were prepared for the final phase by mid-December 1962. The Martin Company handled phase III, missile installation.
As with previous projects, hazards faced the workers who built the huge underground structures. During the first two phases, five workers died in construction accidents and many more were injured.
January 1, 1962 marked the activation of the 390th Strategic Missile Wing (SMW) and Its two component squadrons, the 570th and the 571st Strategic Missile Squadrons. By December 12, 1963 all 18 silo's were online.
De-Commissioning
In October 1981, President Reagan announced that as part of the strategic modernization program, Titan II systems were to be retired by October 1, 1987. Deactivation began at Davis-Monthan on October 1, 1982. During the operation, titled "Rivet Cap," the missiles were removed and shipped to Norton AFB, California for refurbishment and storage. Explosive demolition began on November 30, 1983. During the following May, the last Titan II at Davis-Monthan came off alert status. Two months later, SAC deactivated the 390th Strategic Missile Wing.
After removal from service, 17 silos had reusable equipment removed by Air Force personnel, and contractors retrieved salvageable metals before destroying the silos with explosives and filling them in. Access to the vacated control centers was blocked off. Some of the properties were then sold; other sites are retained by the Bureau of Land Management.
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Most are for sale by the U.S. Government. Some have already been converted to houses, churches, and other civilian owned structures.
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The moderator rating is a neutral rating of the content quality, photography, and coolness of this location.
This location has not yet been rated by a moderator.
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This location's validation is current. It was last validated by
Emperor Wang on 3/6/2020 4:37 PM.
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on Mar 6 20 at 16:37, Emperor Wang validated this location
on Mar 6 20 at 0:56, ZAZ changed the following: Status
on Mar 12 17 at 16:24, Emperor Wang validated this location
on Mar 12 17 at 15:18, ChrisTVDir changed the following: Latitude, Longitude, Co-ordinate Accuracy
on Sep 9 10 at 16:34, Emperor Wang validated this location
on Sep 8 10 at 23:51, Wilk made this location public
on May 25 09 at 4:23, Steed validated this location
on May 24 09 at 23:27, Wilk made this location available
on May 24 09 at 23:27, Wilk changed the following: Future Plans
on May 24 09 at 23:26, Wilk changed the following: History, Interesting Features, Security Measures, Web Links
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