[Bellman]

A separate strategic consideration, so posted likewise.

''For instance, enemy-controlled tramp steamer, fitted with camouflaged, make-shift IRBM launchers, might sneak close
through this same New Artic 'back-door.'

Similarly currently potential terrorist action using 'deephold' merchant vessels must pose an immense naval challenge for those engaged in existing deep water operations.

It is a great pity that SA does not provide clandestine activity platforms even in the simplistic form of modified fishing boats (from the 60s !)