Concerns about a potential supplier issued caused the Air Force to delay indefinitely the Oct. 3 launch of the third Space-Based Infrared System satellite. The Air Force announced this week it would push back the launch after learning that SBIRS manufacturer Lockheed Martin had experienced parts issues with a supplier, according to a Sept. 13 statement from Lt. Gen. Samuel Greaves, chief of the Space and Missile Systems Center. "Lockheed Martin was notified by one of its suppliers that a...