return-to-flight program, the key technical decision points for committing to a specific service scenario are at least a year in the future.

RECOMMENDATION. At the same time that NASA is vigorously pursuing development of robotic servicing capabilities, and until the agency has completed a more comprehensive examination of the engineering and technology issues, including risk assessments related to both robotic and human servicing options, NASA should take no actions that would preclude a space shuttle servicing mission to the Hubble Space Telescope.

We would be pleased to brief you and your staff regarding the views expressed in this letter. We remain committed to completing our final report in an expedited fashion.

Sincerely,

Louis J. Lanzerotti,

Chair

Committee on the Assessment of Options for Extending the Life of the Hubble Space Telescope



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