What is that in the background? It looks just like an enourmous...
...JOHNSON!
NASA astronaut Mark Kelly is back on board space shuttle Endeavour's STS-134 mission to the ISS, following a month's leave to be at the bedside of his wife Gabrielle Giffords. Kelly's participation in the last scheduled shuttle flight had been in doubt following the shooting of congresswoman Giffords in Tuscon. Kelly …