CAPE CANAVERAL, Fla. – NASA Associate Administrator Robert Lightfoot speaks with journalists at the agency's Kennedy Space Center in Florida to discuss the Asteroid Redirect Mission. For more information on NASA's Asteroid Initiative, visit http://www.nasa.gov/asteroidinitiative. Photo credit: NASA/Kim Shiflett

NASA Associate Administrator Robert Lightfoot speaks with journalists at the agency's Kennedy Space Center in Florida to discuss the Asteroid Redirect Mission.