This paperdescribes a short, high-performance cryogenicupperstagedesigned by Martin Marietta for optimum performance when launched withan attached payload by an NSTS 65K Orbiter.
"After a good flight of the solid boosters and core cryogenicstage, there was a problem with the upper stage and the desired orbit was not attained, " Arianespace Chairman and CEO Jean-Marie Luton announced after the mission.