From: utzoo!decvax!harpo!floyd!crc Newsgroups: net.space Title: Re: Saving the Shuttle External Tank Article-I.D.: floyd.1297 Posted: Mon Mar 14 13:42:12 1983 Received: Thu Mar 17 19:14:16 1983 References: alice.1568 uofm-cv.158 I don't think you need much machinery to clean out the ET in orbit - the tank is surounded by vacuum. There have been proposals to use the ET for parts of a space station, like skylab. Check last year's aviation week for details. Charles Colbert floyd!crc