A SpaceX Falcon9 rocket blasts off the launch pad in February 2015, carrying the NOAA's Deep Space Climate Observatory spacecraft. The same type of rocket attempted to place a U.S. spy satellite in orbit on Sunday. Orlando Sentinel/TNS via Getty Images hide caption
Air Force Secretary Deborah Lee James and Air Force Chief of Staff Gen. Mark Welsh III, announces that Northrop Grumman is awarded the US Air Force's next-generation long range strike bomber contract at a news conference at the Pentagon on Tuesday. Andrew Harnik/AP hide caption