
The Air Force and its contractors on the Advanced Extremely High Frequency (AEHF) satellite constellation are performing so well the service wants to launch the fourth space vehicle early, according to a key officer.Air Force Col. Stephen Purdy, chief of the protected satellite communications (SATCOM) division of the Space and Missile Systems Center (AFSMC), said Tuesday the service is about four to five months ahead of schedule on AEHF-4, so it’s targeting December 2016 for launch. Purdy said prime contractor…