Pat Flannery wrote in
:



A Hubble Hubble wrote:


Current plan is to launch the prop module on an ELV when HST is no
longer able to produce science.

We should talk to the Russians; a modified Progress could do this job at
fairly low cost.

Not really. Progress requires a passive docking adapter and passive Kurs
navaids on the target vehicle. HST has no docking adapter and no navaids.
And as Hubble Hugger pointed out, Progress' terminal approach rate is too
fast for a delicate target like HST.


--
JRF

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