At Hangar J, Cape Canaveral Air Force Station (CCAFS), work is begun on the Centaur upper stage that will be used with an Atlas IIA rocket to launch the latest Tracking and Data Relay Satellite (TDRS) June 29 from CCAFS. The Atlas/Centaur launch vehicle is manufactured and operated by Lockheed Martin. Atlas IIA is capable of lifting payload systems to geosynchronous transfer orbit