Rocketplane Kistler, on the verge of losing NASA backing for a rocket intended to carry supplies to the international space station, accepted die resignation of its president just days after he sent a lengthy letter to die U.S. space agency blaming it for the company's financial problems.rnThe Oklahoma City-based firm confirmed Oct. 4 that Randy Brinkley had stepped down and been replaced by William Byrd, 54, a member of Rocket-plane's board of directors, and a director of the Iowa Space Grant Consortium who worked on the space shuttle and space station programs for more than a decade.
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