And so, in case we have contingencies and things that we cannot accomplish within the duration of the space walk, we have a buffer, I mean, in order to be able to complete the... what we want to accomplish.

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• Umberto Guidoni:

  And the first flight of the tether satellite happened in '92, and I was the backup on that flight.

• Umberto Guidoni:

  And then I graduate two years later, in 1998, with my class. And, since then I've been here in Hous

• Umberto Guidoni:

  And then my chance really happened in 1996 when we added the second flight of the tether satellite.

• Umberto Guidoni:

  At that point, there will be the handover between the shuttle arm and the station arm so that the s

• Umberto Guidoni:

  But, what we need to get out of the first EVA is to have the arm completely unfolded and powered so

• Umberto Guidoni:

  During that space walk there will be some repositioning of the power so that the arm can be fully c

• Umberto Guidoni:

  For the first time in history all the major countries in the world are pushing together to reach th

• Umberto Guidoni:

  I remember; I was 15 years old when Neil Armstrong put feet in the moon.

• Umberto Guidoni:

  I started this whole endeavor really. And at the beginning we had the selection in Italy. And that

• Umberto Guidoni:

  I was, I remember, I still remember when the first time I pointed the telescope at the sky and I sa