The Germans, Americans and Japanese all know a bit about building submarines, and quite a lot of experience.
Sweden? The country has no war experience at all for several centuries.
France? Their most recent successes were against the might of Algeria.
Besides, if they have the renowned "French reliability" built into Citroens, Peugeots and Renaults they will spend a lot of time in the workshop and hardly get wet. As for the legendary 12 reverse gears.......
We should have bought the best in the world, off the shelf, from the US - complete with nuclear power. Propping up Pyne's seat was always a crock. We should buy warships off the shelf for the same reason we don't try to build our own fighter jets.
