Customized Cryogenic Face Seals for Liquid Oxygen Rocket Turbopumps With the ever-expanding demand for services provided by low-orbit satellites, there is no shortage of new launch vehicle requests. The communications, navigation, and weather services most people have become accustomed to are all made possible by the thousands of satellites orbiting Earth every minute. While safety and reliability remain the top priority of every launch, the success of a launch system has ultimately changed to be decided by one important merit — cost. In fact, the cost per kilogram of payload is often the prevailing factor in determining the commercial viability of a system. New competition from privateer launch companies in the U.S. — as well as state- run programs from foreign countries around the world

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