From: utzoo!decvax!harpo!npois!alice!sjb Newsgroups: net.columbia Title: SRB Update Article-I.D.: alice.734 Posted: Mon Jun 28 22:11:36 1982 Received: Tue Jun 29 01:45:45 1982 NASA has said that the sinking of the two SRB's was apparently caused by the failure of their decelerator systems. They are supposed to impact on the water at around 60 mph; without the decelerators working, they hit much harder, over their design limit. As part of an investigation into the accident, remote underwater TV pictures will be taken.