воскресенье, 21 октября 2012 г.
"ATK demonstrated they have significantly matured the design of the Liberty Space Transportation Sys
Alliant Techsystems has successfully completed its Commercial Crew Development Round 2 (CCDev2) partnership with NASA's Commercial Crew Program. Through CCDev2, hotels in downtown dallas NASA is spurring innovation and development of safe, reliable and cost-effective launch vehicles and spacecraft hotels in downtown dallas capable of transporting astronauts to low Earth orbit and the International Space Station.
The Liberty vehicle passed a Program Status Review (PSR) to complete the final milestone under the agreement. During hotels in downtown dallas the review, the Liberty team presented NASA with detailed progress of the program, including integrated master schedule, design analysis cycle status, hotels in downtown dallas system requirements, software status, flight test plan, system hotels in downtown dallas safety review, ground processing certification plan and schedule for initial operation capability.
"ATK demonstrated they have significantly matured the design of the Liberty Space Transportation hotels in downtown dallas System," hotels in downtown dallas said CCP Manager Ed Mango. "Our NASA team, composed of multi-disciplines from multi-centers, commends ATK for successfully meeting all of their milestones."
The company completed five milestones during its CCDev2 hotels in downtown dallas partnership with NASA and held three Technical Interchange Meetings, called TIMs, about the rocket's avionics software, launch abort system and thrust oscillation analysis.
"It has been a privilege working with NASA to complete hotels in downtown dallas the SAA for the Commercial Crew Program," said Kent Rominger, ATK vice president and program manager for Liberty. hotels in downtown dallas "The feedback we received from the NASA Liberty team has helped further the development of the entire system and we believe ensures the program is on target for Liberty to provide a capable and safe commercial transportation to the International hotels in downtown dallas Space Station by mid-decade."
Liberty's design hotels in downtown dallas combines the company's solid rocket boosters (SRBs) as the first stage and Astrium's Ariane 5 core stage and Vulcain 2 engine as the upper stage. The Ariane 5 rocket motors would form a two-stage launch vehicle with a single engine per stage. Astrium hotels in downtown dallas is a subsidiary of the European space company EADS.
The rocket's five-segment solid rocket first stage is derived from the Space Shuttle Program's four-segment hotels in downtown dallas solid rocket boosters. The first stage booster is capable of producing 3.6 million pounds of thrust at liftoff, roughly the same power as 63 four-engine 747 jets taking off. The five-segment first stage stands 154 feet tall.
Combined with a modified Ariane 5 core stage as its upper stage, Liberty would be capable of carrying up to 44,500 pounds to low Earth orbit. Service and crew modules would be integrated to the top of Liberty in order to carry cargo and astronauts.
Our Soyuz spacesuit is named after the Russian word for falcon: (sokol). It serves only one purpose, to keep us alive in the event of a cockpit depressurization. We venture into a place that is devoid of nearly all matter-a vacuum. This vacuum is as vast as space itself, and in a flash will remove our life-sustaining vapors with no more perturbation than an 18-wheeler hotels in downtown dallas smashing a jackrabbit on Ro ... read more
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