NASA associate administrator for education and former astronaut Leland Melvin gives a thumbs up to International Space Station (ISS) crew members, Rick Mastracchio, screen left, and Michael Hopkins, during a live downlink in the Moving Beyond Earth exhibition on Thursday, Jan. 30, 2014. The event featured conversations between ISS astronauts, the 2013 Astronaut Candidate Class, Washington-area school students and the public (onsite and vis social media) about the value of education in science, technology, engineering and mathematics (STEM).
Photo Credit: NASA/Bill Ingalls