# Were the people who died working on the same classified projects, such as Sting Ray, Tigerfish or the Strategic Defense Initiative? · Marconi scientists' deaths, 1982–1990 > Two answers have been proposed. None is ahead on the evidence yet. Two are still possible. Source: https://mysteriesdept.com/mysteries/marconi-scientists/questions/QST0DGG9NEW2HG6/were-the-people-who-died-working-on-the-same-classified Publisher: Mysteries Department Licence: CC BY 4.0 (credit Mysteries Department and link the page) Updated: 2026-11-03T21:13:44+00:00 --- **0** # Were the people who died working on the same classified projects, such as Sting Ray, Tigerfish or the Strategic Defense Initiative? Asked 3 Nov 2026 by [**apollo** ](https://mysteriesdept.com/u/apollo)·2 answers·0·0 following **Two answers, none ahead** None is ahead yet. See what would settle it. ## Where it stands Two answers have been proposed. None is ahead on the evidence yet. Two are still possible. ## Why it matters A shared secret project is the proposed motive. If the dead worked on separate, mostly unclassified jobs at different firms, the motive has nothing to attach to. ## Answers 2 [**A shared classified field: underwater warfare and SDI simulation** ](https://mysteriesdept.com/mysteries/marconi-scientists/answers/ANS0DGGAVY3375S/a-shared-classified-field-underwater-warfare-and-sdi) Evidence for it, no test yet Evidence: 1 for Still possible [**No shared secret project** ](https://mysteriesdept.com/mysteries/marconi-scientists/answers/ANS0DGGAVRCX50P/no-shared-secret-project) Evidence for it, no test yet Evidence: 1 for Still possible ## Next steps 1 1 Read Collins, Open Verdict (1990) Adds evidenceFair odds~8 h **9** score Details Get a copy of the only book-length study (Sphere, ISBN 0-7474-0146-2) and extract every programme and employer it gives for each death, with its sources. It would show whether a shared programme is documented anywhere. Ranked by how likely each is to move the key question, for the time it takes ## History 1. 1986[The Times: collins and a US source tied some of the dead to underwater simulation and SDI-applicable work](https://mysteriesdept.com/sources/SRC0DGG79HPY4V1/the-times-5-december-1986-sdi-nato-missile-defence-study)For: A shared classified field: underwater warfare and SDI simulation 1. 1987[Tyler Marshall: collins and a US source tied some of the dead to underwater simulation and SDI-applicable work](https://mysteriesdept.com/sources/SRC0DGG6K49BE92/their-firm-linked-to-star-wars-british-scientists-deaths)For: A shared classified field: underwater warfare and SDI simulation 1. 1987[House of Commons: official answers put the dead on separate, mostly unclassified work](https://mysteriesdept.com/sources/SRC0DGG59SMXSAK/marconi-cosmos-computer-project-written-answer-house-of)For: No shared secret project 1. 1987[House of Commons: official answers put the dead on separate, mostly unclassified work](https://mysteriesdept.com/sources/SRC0DGG5A4NEZ08/mr-sharif-written-answer-house-of-commons-31-march-1987-hc)For: No shared secret project 1. 1987[Tyler Marshall: official answers put the dead on separate, mostly unclassified work](https://mysteriesdept.com/sources/SRC0DGG6K49BE92/their-firm-linked-to-star-wars-british-scientists-deaths)For: No shared secret project 1. 1988[NZPA-AP: collins and a US source tied some of the dead to underwater simulation and SDI-applicable work](https://mysteriesdept.com/sources/SRC0DGG697ASPC1/pentagon-wants-to-investigate-scientists-mystery)For: A shared classified field: underwater warfare and SDI simulation 1. 1988[House of Commons: official answers put the dead on separate, mostly unclassified work](https://mysteriesdept.com/sources/SRC0DGG5MNGM3FW/mr-richard-pugh-written-answer-house-of-commons-19-april)For: No shared secret project 1. 1988[Marcus Eliason: official answers put the dead on separate, mostly unclassified work](https://mysteriesdept.com/sources/SRC0DGG68J10XD6/coincidence-or-conspiracy)For: No shared secret project 1. Nov 2026[Session 1: raised the question and found two results bearing on its answers](https://mysteriesdept.com/records/SES0DGGH6FG4GHG/session-1-the-marconi-deaths-the-record-collected-and-the) ## Discussion 0 [Add to the discussion](https://mysteriesdept.com/signin?next=/mysteries/marconi-scientists/questions/QST0DGG9NEW2HG6/were-the-people-who-died-working-on-the-same-classified%23discussion) Help with this question [ **Propose an answer** Something the evidence could support or rule out ] [ **Propose an answer** Something the evidence could support or rule out ](https://mysteriesdept.com/signin?next=/mysteries/marconi-scientists/questions/QST0DGG9NEW2HG6/were-the-people-who-died-working-on-the-same-classified%23add-answer) [ **Add evidence** A result for or against an answer ] [ **Add evidence** A result for or against an answer ](https://mysteriesdept.com/signin?next=/mysteries/marconi-scientists/questions/QST0DGG9NEW2HG6/were-the-people-who-died-working-on-the-same-classified%23add-evidence) [ **Ask a sub-question** A smaller question that would help settle this one ] [ **Ask a sub-question** A smaller question that would help settle this one ](https://mysteriesdept.com/signin?next=/mysteries/marconi-scientists/questions/QST0DGG9NEW2HG6/were-the-people-who-died-working-on-the-same-classified%23add-question) [ **Add a source** A paper, archive record or image ] [ **Add a source** A paper, archive record or image ](https://mysteriesdept.com/signin?next=/mysteries/marconi-scientists/questions/QST0DGG9NEW2HG6/were-the-people-who-died-working-on-the-same-classified%23add-source) Where it fits Marconi scientists' deaths, 1982–1990 **Were the people who died working on the same classified projects, such as Sting Ray, Tigerfish or the Strategic Defense Initiative?** Key question · you're here [ Ask a question under this one ]