Jerry Grey Quotes (3 Quotes)

I think Griffins team has come up with a truly workable solution that really does make sense.

The new five-engine SSME cluster, mounted on a stage that will certainly be very different from the orbiter in its propellant feed and thrust-vector control characteristics and its structural, aerodynamic, and environmental behavior, will require considerable engineering attention.

The payload characteristics are certain to be much different than those of the CEV. Keeping budget control on the expenditure of six units on each flight might turn out to be an issue.