Kathy would later become the first American woman to do a spacewalk.

We obviously can't do a spacewalk now at our current speed.

First American woman to do a spacewalk: Kathy Sullivan.

The underwater work looks just like we would do if we were training to do a spacewalk.

So at some point before its March 1st end date, the crew of Expedition 46 will do a spacewalk to install those cables.

Plus there's the challenge of me doing a spacewalk so close to the Formics.

Most of them hadn't done a spacewalk in years; it was the men on El Cavador who had done all the mining.