After missing its goal to certify SpaceX as the first new entrant to the Evolved Expendable Launch Vehicle program by the end of 2014, the Air Force is now pushing to complete that process by mid-2015, according to a top service official. "Although certification was not awarded as of the end of December, we recognize SpaceX for its thorough efforts in moving towards an aggressive certification goal and we will continue to vigorously pursue that certification milestone," Lt. Gen. Samuel...