Space Shuttle: An Attempt at Low-Cost, Routine Access to Space.

摘要

This thesis examines the Space Shuttle's purpose of low-cost, routine access to space and how the lessons learned during the Space Shuttle program have affected the thinking on new heavy-fit launch systems. The thesis objective is to show the Space Shuttle was an attempt at developing a routine, low-cost access to space but, because of Shuttle-unique capabilities, cost-effective operations may never be realized with the Shuttle system. The Space Shuttle concept definition is addressed and the impact on design by DOD influence. The Space Shuttle developmental history is presented, and how budgetary constraints, coupled with NASA's desire to build a low-cost system resulted in over-runs in schedule and costs. The thesis looks at the operational period of the Space Shuttle, the use of Government subsidies to keep the price of a Shuttle launch artificially low, and the difficulties experienced by NASA in maintaining planned launch schedule. The Challenger accident resulted in restructure of U.S. space policy as well as how the Shuttle will be used in the future. In conclusion, lessons learned from the Space Shuttle program are presented that the next generation of space transportation systems can build upon.