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- Project_Grab_Bag abstract "Project Grab Bag was an air sampling program conducted in the United States for the monitoring in the stratosphere of above-ground nuclear weapons testing in the Soviet Union.The objective of the Grab Bag program was to develop an unmanned high-altitude balloon-borne system that would collect air samples at an altitude of typically 80,000 feet (24,000 m) and return them to earth for analyses. The air samples were analyzed for the presence of specific isotopes of krypton and xenon, unambiguous markers of fission reactions. These short-lived isotopes are created in the fission process and carried high into the atmosphere by the fireball where they will remain for some days. The air sampling system was developed by the Balloons and Meteorological Systems group at General Mills, Inc. in Minneapolis, Minnesota, using large balloons fabricated of thin polyethylene film. The initial test of the sampling system collected an important air sample over the United States on August 14, 1953 at an altitude of 80,000 feet (24,000 m). This sample contained debris from a nuclear weapon test in the USSR, designated Joe-4, that was conducted two days earlier, on August 12, 1953, at Semipalatinsk in Kazakhstan. This was the first test of a thermonuclear weapon by the USSR and was initiated by a 40 kiloton Uranium-235 bomb and produced a total yield of 400 kilotons.".
- Project_Grab_Bag wikiPageID "27847391".
- Project_Grab_Bag wikiPageRevisionID "603267415".
- Project_Grab_Bag hasPhotoCollection Project_Grab_Bag.
- Project_Grab_Bag subject Category:Nuclear_weapons_testing.
- Project_Grab_Bag subject Category:Soviet_Union–United_States_relations.
- Project_Grab_Bag type Abstraction100002137.
- Project_Grab_Bag type Cognition100023271.
- Project_Grab_Bag type Experiment105798043.
- Project_Grab_Bag type HigherCognitiveProcess105770664.
- Project_Grab_Bag type Inquiry105797597.
- Project_Grab_Bag type NuclearTests.
- Project_Grab_Bag type ProblemSolving105796750.
- Project_Grab_Bag type Process105701363.
- Project_Grab_Bag type PsychologicalFeature100023100.
- Project_Grab_Bag type Thinking105770926.
- Project_Grab_Bag type Trial105799212.
- Project_Grab_Bag comment "Project Grab Bag was an air sampling program conducted in the United States for the monitoring in the stratosphere of above-ground nuclear weapons testing in the Soviet Union.The objective of the Grab Bag program was to develop an unmanned high-altitude balloon-borne system that would collect air samples at an altitude of typically 80,000 feet (24,000 m) and return them to earth for analyses.".
- Project_Grab_Bag label "Project Grab Bag".
- Project_Grab_Bag sameAs m.0cc7p94.
- Project_Grab_Bag sameAs Q7249113.
- Project_Grab_Bag sameAs Q7249113.
- Project_Grab_Bag sameAs Project_Grab_Bag.
- Project_Grab_Bag wasDerivedFrom Project_Grab_Bag?oldid=603267415.
- Project_Grab_Bag isPrimaryTopicOf Project_Grab_Bag.