The single biggest check NASA expects to write next year will go to United Space Alliance (USA) to cover a half-billion-dollar shortfall in the space shuttle contractor's pension fund. It is not NASA's fault USA's pension fund - held in stocks, bonds and other assets company officials said are worth between $600 million and $700 million -has just a little over half of the money it needs to guarantee retirement pay promised to 11,000 past and current employees.
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