tag:blogger.com,1999:blog-2036440309892076418.post5776728904141111948..comments2023-11-03T10:33:04.961-04:00Comments on Sagan's Brain: X-51 hypersonic test flight successAlex Teacheyhttp://www.blogger.com/profile/13488465519009151117noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-2036440309892076418.post-78213533896430728032010-05-27T02:17:59.326-04:002010-05-27T02:17:59.326-04:00Very fine machine!Very fine machine!Jorge Pagliarinihttps://www.blogger.com/profile/12129187441115430018noreply@blogger.com