Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 (Tek) 9/26/83; site shark.UUCP Path: utzoo!watmath!clyde!floyd!vax135!cornell!uw-beaver!tektronix!orca!shark!philb From: philb@shark.UUCP (Phil Biehl) Newsgroups: net.columbia Subject: Re: STS-11 Mission Scapped Message-ID: <531@shark.UUCP> Date: Mon, 20-Feb-84 12:02:23 EST Article-I.D.: shark.531 Posted: Mon Feb 20 12:02:23 1984 Date-Received: Wed, 22-Feb-84 02:02:32 EST References: <685@avsdT.UUCP> Organization: Tektronix, Wilsonville OR Lines: 12 My understanding was that STS-11 was canned because of continuing problems with the Inertial Upper Stage (IUS) which is a VERY different booster that the smaller Payload Assist Module (PAM). The top secret bird apparently is large enough to need a IUS instead of a PAM which is used on smaller payloads such as those deplyed on the pervious orbiter missions. Phil Biehl Tektronix, Inc.