From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,eb35be86b1c0bdcb X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2000-12-15 08:44:22 PST Message-ID: <3A3A4A5A.DC1B8AC9@baesystems.com> Date: Fri, 15 Dec 2000 16:44:10 +0000 From: David Gillon Organization: BAE SYSTEMS Avionics (Rochester) X-Mailer: Mozilla 4.5 [en] (WinNT; I) X-Accept-Language: en MIME-Version: 1.0 Newsgroups: comp.lang.ada To: Marin David Condic Subject: Re: THAAD Study on Ada Viability References: <90lj4s$8h7$1@nnrp1.deja.com> <918u24$8ms$1@neptunium.btinternet.com> <3A38DA0B.30662DEB@acm.org> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit NNTP-Posting-Host: rc3284.rochstr.gmav.gecm.com X-Trace: 15 Dec 2000 16:38:45 GMT, rc3284.rochstr.gmav.gecm.com Path: supernews.google.com!sn-xit-02!supernews.com!isdnet!newsfeeds.belnet.be!news.belnet.be!btnet-peer1!btnet-feed3!btnet!newreader.ukcore.bt.net!pull.gecm.com!rc3284.rochstr.gmav.gecm.com Xref: supernews.google.com comp.lang.ada:3174 Date: 2000-12-15T16:44:10+00:00 List-Id: Marin David Condic wrote: > One of the things to note about defense systems is that they differ dramatically > from similar commercial systems in terms of their longevity. A given missile or > avionics system can easily be around in some stage of development/maintenance > for 20..30 years. (How old is the B52 bomber?) The B-52 is the classic example of programme longevity. Design started '49, first flight '52, entered service '55, production completed '70s, currently planned retirement date 2040.... -- David Gillon BAE SYSTEMS Avionics Rochester, Kent, UK