List of sunken nuclear submarines: https://en.wikipedia.org/wiki/List_of_sunken_nuclear_submarines https://en.wikipedia.org/wiki/List_of_sunken_nuclear_submari.

List of sunken nuclear submarines: https://en.wikipedia.org/wiki/List_of_sunken_nuclear_submarines https://en.wikipedia.org/wiki/List_of_sunken_nuclear_submari... Edit: none of these seem to be "missing". I think they meant that there are a number of unrecovered (in some cases even intentionally scuttled) nuclear submarine wrecks.