Once Node 3 is installed, if the MLM (FGB-2) is at Service Module
nadir, how does Soyuz or Progress dock with FGB Nadir???


Jorge R. Frank wrote:
wrote in
oups.com:

Huh?

You mean that the FGB-2 probe male docking adapter would be replaced
prior to launch with a hybrid male adapter?

Yes.

In that event, how would
FGB-2 dock with FGB-1?

It wouldn't - it would dock directly to Zvezda nadir.

Remember that there is a firm requirement to
have a module docked at FGB nadir prior to the arrival of Node 3.

There is a firm requirement to have three Soyuz/Progress/ATV docking ports,
but there are alternatives to FGB nadir for meeting that requirement.

Anyway, this is by no means a done deal, but it is something the Russians
are seriously looking at.

--
JRF

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