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Core stems were used with the Apollo Lunar Surface Drill (ALSD) to take long core samples of the lunar regolith. Core stem tubes were joined together during the drilling process to obtain samples up to 94 inches in length. Up to five upper core stems could be joined to the lower core stem which had the drill bit attached. Once filled cores stems were removed from the lunar soil and the ends were capped for return to Earth.

This particular core stem was used for Apollo 17 training. NASA transferred it to the Smithsonian in 1974.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type EQUIPMENT-Lunar Manufacturer Martin Marietta Aerospace
 Dimensions 3-D: 42.5 × 2.5cm (16 3/4 × 1 in.)
 Materials Overall: Titanium alloy A1-4V
 Inventory Number A19810907000 Credit Line Transferred from the NASA- Johnson Space Center Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.