Daniel Steed

Rumours of a Russian submarine hanging around off the coast of Sweden have inspired much Cold War nostalgia. But while there is of course the chance that something fishy is going on, there are many plausible explanations as to why a vessel might prowl about in foreign waters. In fact, it happens all the time.

Rumours of a Russian submarine hanging around off the coast of Sweden have inspired much Cold War nostalgia. But while there is of course the chance that something fishy is going on, there are many plausible explanations as to why a vessel might prowl about in foreign waters. In fact, it happens all the time.