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... Missiles to Earth From a Crater on Mars” article appears in National Geographic Magazine The Aviation Safety Journal summarized some of the significant ... 11 1993 11 May 12 1993 12 May 13 1993 13 May 14 1993 14 May 15 1993 15 May 16 1993 16 May 17 1993 17 May 18 1993 18 May 19 1993 19 May 20 1993 20 May 21 1993 21 ...

... 1993 11 Jul 12 1993 12 Jul 13 1993 13 Jul 14 1993 14 Jul 15 1993 15 Jul 16 1993 16 Jul 17 1993 17 Jul 18 1993 18 Jul 19 1993 19 Jul 20 1993 20 Jul 21 1993 ...

... rocket to supplement the Space Shuttle for military launches starting in 1988 and ending in 1993 see Feb. 27 . Defense Secretary Caspar Weinberger said in the directive that the Air Force ... 10 Mar 11 1985 11 Mar 12 1985 12 Mar 13 1985 13 Mar 14 1985 14 Mar 15 1985 15 Mar 16 1985 16 Mar 17 1985 17 Mar 18 1985 18 Mar 19 1985 19 Mar 20 1985 20 Mar 21 ...

... robot into an Antarctic volcano had opened the way for exploration of the Moon and Mars. Despite the fact that the mission had to be aborted, David Lavery, director of the ... 11 1993 11 Jan 12 1993 12 Jan 13 1993 13 Jan 14 1993 14 Jan 15 1993 15 Jan 16 1993 16 Jan 17 1993 17 Jan 18 1993 18 Jan 19 1993 19 Jan 20 1993 20 Jan 21 1993 21 Jan 22 1993 22 ...

... , Mar 9/93) 1993 January 1993 January Jan 1 1993 1 Jan 2 1993 2 Jan 3 1993 3 Jan 4 1993 4 Jan 5 1993 5 Jan 6 1993 6 Jan 7 1993 7 Jan 8 1993 8 Jan 9 1993 ... 11 1993 11 Jan 12 1993 12 Jan 13 1993 13 Jan 14 1993 14 Jan 15 1993 15 Jan 16 1993 16 Jan 17 1993 17 Jan 18 1993 18 Jan 19 1993 19 Jan 20 1993 20 Jan 21 1993 21 ...

... Earth's rotation rate may be caused by early collisions with rocks as large as Mars. Without the large impacts, the Earth would rotate only every 200 hours instead of the ... 11 1993 11 Jan 12 1993 12 Jan 13 1993 13 Jan 14 1993 14 Jan 15 1993 15 Jan 16 1993 16 Jan 17 1993 17 Jan 18 1993 18 Jan 19 1993 19 Jan 20 1993 20 Jan 21 1993 21 Jan 22 1993 22 ...

... -owned firms. (NASA Release 93-17; Federal Computer Week, Feb 1/93; Set-Aside Alert, Mar 15/93) The Boeing Company and the four leading European aerospace companies, partners in the ... 11 1993 11 Jan 12 1993 12 Jan 13 1993 13 Jan 14 1993 14 Jan 15 1993 15 Jan 16 1993 16 Jan 17 1993 17 Jan 18 1993 18 Jan 19 1993 19 Jan 20 1993 20 Jan 21 1993 21 Jan 22 1993 22 ...

... aircraft more power and better handling qualities. (NASA Release 93-035; Antelope Valley Press, Mar 19/93) NASA managers and industry contractors blamed Space Station cost over-runs on ... 1993 18 Feb 19 1993 19 Feb 20 1993 20 Feb 21 1993 21 Feb 22 1993 22 Feb 23 1993 23 Feb 24 1993 24 Feb 25 1993 25 Feb 26 1993 26 Feb 27 1993 27 Feb 28 1993 28 March 1993 ...

... 1993 18 Feb 19 1993 19 Feb 20 1993 20 Feb 21 1993 21 Feb 22 1993 22 Feb 23 1993 23 Feb 24 1993 24 Feb 25 1993 25 Feb 26 1993 26 Feb 27 1993 27 Feb 28 1993 28 March 1993 ...

... 1993 18 Feb 19 1993 19 Feb 20 1993 20 Feb 21 1993 21 Feb 22 1993 22 Feb 23 1993 23 Feb 24 1993 24 Feb 25 1993 25 Feb 26 1993 26 Feb 27 1993 27 Feb 28 1993 28 March 1993 ...

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