Aalice.524 net.columbia utzoo!decvax!harpo!mhtsa!ihnss!houxi!npois!alice!sjb Thu Apr 22 20:19:32 1982 Upper Booster A prototype of an upper stage rocket to be launched from the cargo bay of the space shuttle was unveiled today. It will boost satellites into geosynchronous orbit, which the shuttle cannot reach. It will be tested from a Titan booster late this year, and will make its debut on STS-6, now scheduled for January, 1983.