In a chaotic twodaysofflying, the rescue team flew 3,000 milesround-tripfromthe BritishstationRotherato pick up the workers in the U.S.Amundsen-Scott Station at the South Pole.
Space station commander Scott Kelly, whose identical twin brother Mark Kelly is married to Giffords and is also an astronaut, led NASA in a moment of silence Monday as part of the national observance for all the victims of Saturday's shooting.