The US. Vision for Space Exploration, announced January 2004, outlines the National Aeronautics and Space Administration s (NASA) strategic goals and objectives. These include: 1) Flying the Shuttle as safely as possible until its retirement, not later than 2010. 2) Bringing a new Crew Exploration Vehicle (CEV) into service as soon as possible after Shuttle retirement. 3) Developing a balanced overall program of science, exploration, and aeronautics at NASA, consistent with the redirection of the human spaceflight program to focus on exploration. 4) Completing the International Space Station (ISS) in a manner consistent with international partner commitments and the needs of human exploration. 5) Encouraging the pursuit of appropriate partnerships with the emerging commercial space sector. 6) Establishing a lunar return program having the maximum possible utility for later missions to Mars and other destinations. Following the confirmation of the new NASA Administrator in April 2005, the Agency commissioned a team of aerospace subject matter experts from government and industry to perform the Exploration Systems Architecture Study (ESAS), which provided in-depth information for selecting the follow-on launch vehicle designs to enable these goals, The ESAS team analyzed a number of potential launch systems, with a focus on: (1) a human-rated launch vehicle for crew transport and (2) a heavy lift launch vehicle (HLLV) to carry cargo. After several months of intense study utilizing technical performance, budget, and schedule objectives, the results showed that the optimum architecture to meet the challenge of safe, reliable crew transport is a two-stage variant of the Space Shuttle propulsion system - utilizing the reusable Solid Rocket Booster (SRB) as the first stage, along with a new upper stage that uses a derivative of the RS-25 Space Shuttle Main Engine to deliver 25 metric tons to low-Earth orbit. The CEV that this new Crew Launch Vehicle (CLV) lofts into space early next decade will initially ferry astronauts to the Space Station and be capable of carrying crews back to lunar orbit and of supporting missions to Mars orbit. The HLLV system will utilize the Shuttle External Tank combined with SRBs. The focus of this paper is on the CLV system, giving an overview of plans and progress to date.
NASA Crew Launch Vehicle Overview
AIAA Joint Propulsion Conference ; 2006 ; Sacramento, CA, United States
2006-01-01
Conference paper
No indication
English
NASA Crew Launch Vehicle Overview
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