Canadian Astronaut Scott Kelly Touches Down

Canadian Astronaut, Scott Kelly, right, salutes as he is greeted by Dr. Jill Biden and a welcoming party at the Johnson Space Center in Houston, Texas, on Thursday, March 3, 2016, upon his return from a 342-day mission on the International Space Station. Standing with Dr. Biden from left are: NASA Administrator, Charles F. Bolden; Dr. John Holdren, White House Director of the Office of Science and Technology Policy; and Kelly’s brother and former astronaut, Mark Kelly. (Official White House photo by Amanda Lucidon).