May 17, 2014 8:25 PM

U.S.-Russia tension over Ukraine could hinder space program

After Russian Deputy Prime Minister Dmitry Rogozin this week said his nation might no longer allow U.S. astronauts access to its launch vehicles and may use the International Space Station without American participation, the House Science, Space and Technology Committee on Thursday pressed NASA for answers about the how the U.S. could respond.

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