Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!att!cbnews!military From: shafer@drynix (Mary Shafer) Newsgroups: sci.military Subject: Re: Can the sonic boom of an SR-71 be heard at the ground? Message-ID: <7783@cbnews.ATT.COM> Date: 27 Jun 89 02:38:47 GMT Sender: military@cbnews.ATT.COM Lines: 29 Approved: military@att.att.com From: Mary Shafer Jim Jackson wrote: > People in western Colorado complain about the sonic booms from SR's > but I believe those are from tanking operations. Refueling is subsonic--KC-135s and KC-10 can only go about 0.85 Mach. Perhaps Jim refers to the SRs descending and slowing to rendevous. > The alt records fo the SR are about 82000 feet as I recall. The speed > is above mach 3. My Coffee cups have a big 3+ on them. I would > sure like to get more. I got the ones I still have from the > tech rep's building at Beale, $0.40 each, I said it's been a long time They sell SR-71 mugs (and a lot of other aircraft & shuttle stuff) at the Dryden Exchange Gift Shop (P.O. Box 86, Edwards, CA 93523 (805) 258-3954) but they just have a picture of the A/C, no writing. They used to sell the ones with the 3+, but no more. I think the mugs are about $4, but the B-2 is a little more. They have a catalog and do mail order. M F Shafer |Ignore the reply-to address NASA Ames-Dryden Flight Research Facility |Use shafer@elxsi.dfrf.nasa.gov NASA management doesn't know what I'm doing and I don't know what they're doing, and everybody's happy this way.