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SL-1
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Stationary Low-Power Reactor Number One, also known as SL-1, initially the Argonne Low Power Reactor, was a United States Army experimental nuclear reactor at the National Reactor Testing Station in I
November 29, 1961: The reactor vessel being removed from the reactor building, which acted substantially like the containment building used in modern
November 29, 1961: The reactor vessel being removed from the reactor building, which acted substantially like the containment building used in modern nuclear facilities. The 60-ton Manitowoc Model 3900 crane had a 5.25-inch (13.3 cm) steel shield with a 9-inch (23 cm) thick lead glass window to protect the operator.
The ALPR before the accident. The large cylindrical building holds the nuclear reactor embedded in gravel at the bottom, the main operating area or op
The ALPR before the accident. The large cylindrical building holds the nuclear reactor embedded in gravel at the bottom, the main operating area or operating floor in the middle, and the condenser fan room near the top. Miscellaneous support and administration buildings surround it.
Checking for radioactive contamination on nearby Highway 20
Checking for radioactive contamination on nearby Highway 20
The stretcher rig. Army volunteers from a special Chemical Radiological Unit at Dugway Proving Ground practiced before a crane inserted the rig into t
The stretcher rig. Army volunteers from a special Chemical Radiological Unit at Dugway Proving Ground practiced before a crane inserted the rig into the SL-1 reactor building to collect the body of the man (Legg) pinned to the ceiling directly above the reactor vessel.
Arlington National Cemetery
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Arlington National Cemetery is the largest cemetery in the United States National Cemetery System, one of two maintained by the United States Army. More than 400,000 people are buried in its 639 acres
SL-1
…stopped the development of its reactor program in 1965, although the existing reactors continued operating (MH-1A until 1977). McKinley was buried in Arlington National Cemetery in a double lead-lined casket, encased in concrete and surrounded by a metal vault. A note in the file warned that the body must not be moved. General…
An aerial view of Arlington National Cemetery's east entrance and the cemetery's Women's Military Memorial in August 2013
An aerial view of Arlington National Cemetery's east entrance and the cemetery's Women's Military Memorial in August 2013
Officers of the 8th New York Infantry Regiment at Arlington House in June 1861, two months after the beginning of the American Civil War
Officers of the 8th New York Infantry Regiment at Arlington House in June 1861, two months after the beginning of the American Civil War
The Custis-Lee Mansion, originally known as Arlington House, with Union Army soldiers on its lawn during the American Civil War on June 28, 1864
The Custis-Lee Mansion, originally known as Arlington House, with Union Army soldiers on its lawn during the American Civil War on June 28, 1864
Arlington National Cemetery and the Netherlands Carillon in December 2012
Arlington National Cemetery and the Netherlands Carillon in December 2012