A stop-work order issued to Aerospace Corp. during the 16-day government shutdown has stalled the certification process for what could be the first new entrant into the Air Force's medium-class launch market. SpaceX successfully launched its upgraded Falcon 9 v1.1 rocket booster on Sept. 29, the first of three launches scheduled this year to qualify the company's booster to fly Evolved Expendable Launch Vehicle-class launches for the Air Force. Col. Kathleen Cook, an Air Force Space Command spokeswoman, told Inside...