330-PS-6008 (USN 483600)
Mushrat: The U.S. Navy icebreaker USS Staten Island (AGB-5) with a group of civilian and naval scientists onboard left Boston, Massachusetts, on July 18, 1953, for the North Geomagnetic Pole. They will make a comprehensive series of high-altitude observations of the primary cosmic radiation and the pressure, temperature, and density of the atmosphere in the northern latitudes. 330-PS-6008 (USN 483600)