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: 103376,2def9aa85afa5d22 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2001-10-29 03:11:35 PST Path: archiver1.google.com!postnews1.google.com!not-for-mail From: ian0kerr@my-deja.com (Ian) Newsgroups: comp.lang.ada Subject: Re: Joint Strike Fighter Date: 29 Oct 2001 03:11:35 -0800 Organization: http://groups.google.com/ Message-ID: <11bf7180.0110290311.4d8d6f04@posting.google.com> References: <3BDCE159.39F6D422@adaworks.com> NNTP-Posting-Host: 141.245.40.230 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Trace: posting.google.com 1004353895 986 127.0.0.1 (29 Oct 2001 11:11:35 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: 29 Oct 2001 11:11:35 GMT Xref: archiver1.google.com comp.lang.ada:15339 Date: 2001-10-29T11:11:35+00:00 List-Id: Richard Riehle wrote in message news:<3BDCE159.39F6D422@adaworks.com>... > Now that LMCO has been awarded the contract for > JSF, does anyone know if the original plan to do the > software in Ada remains unchanged? > [trawl?] > Richard Riehle I doubt this plan got very far. The current LMCO plan is to reuse most of the X-35 work in this new SDD phase. C++ code will be produced in 3 phases over 10.5 years. This is being amended for a 2008 introduction. The size estimate is 4 to 6 M SLOC. Where C++ will be rejected for certification reasons in flight critical boxes I expect Ada will be used. Either the theory that Ada has superior economics over the whole life-cycle process is wrong or somebody goofed up. It would be speculation to say who did. LMCO for getting their fingers burnt with Ada83 on the F-22, DoD pushing Faster, Cheaper, Better; or too many people demanding to be able to write C++. Ian