President Barack Obama makes a phone call with the crew of the Space Shuttle Discovery and the International Space Station from the Oval Office, March 3, 2011. Listening in the background are, from left: Ted Wackler, Acting Chief of Staff, Office of Science and Technology; Damon Wells, Assistant Director for Aeronautics and Space, Office of Science and Technology; and NASA Administrator Charles Bolden. (Official White House Photo by Samantha Appleton) This photograph is provided by THE WHITE HOUSE as a courtesy and may be printed by the subject(s) in the photograph for personal use only. The photograph may not be manipulated in any way and may not otherwise be reproduced, disseminated or broadcast, without the written permission of the White House Photo Office. This photograph may not be used in any commercial or political materials, advertisements, emails, products, promotions that in any way suggests approval or endorsement of the President, the First Family, or the White House.