The USET turbo pump sits in a 'test skid' container, which has more than 135 connectors that will be used to collect data once testing is started. Liquid hydrogen will be fed through the pump to see how it performs once attached to the test stand. (U.S. Air Force photo/Kenji Thuloweit)

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Photo by: Kenji Thuloweit |  VIRIN: 100908-F-3438T-002.JPG