A more detailed discussion of the comparative mission risk between a human servicing mission and a robotic mission to HST is presented in Chapter 7.

FINDING: Space shuttle crews, in conjunction with their ground-based mission control teams, have consistently developed innovative procedures and techniques to bring about desired mission success when encountering unplanned for or unexpected contingencies on-orbit.

FINDING: The risk in the mission phase of a shuttle HST servicing mission is low.



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement