Asri-unix.1218 net.space utzoo!decvax!cca!sri-unix!Pendleton@UTAH-20 Tue Apr 13 13:08:26 1982 ET in orbit From: Pendleton at UTAH-20 (Bob Pendleton) It has been proposed that the shuttles payload can be increased by 30 to 50% by replacing the steel solid rocket casings with carbon composite casings. This could solve the problem of placing the ET in a high orbit, not to mention other desirable results. Bob P. -------