By the coast .....

The german midget sub worked its way up by the coast,

It spotted an MTB .....

It watched the MTB slow down and head towards it's base, the captain turned the periscope round to check the surroundings ...

a corvette, there was activity on the deck - had they been spotted ? he couldn't risk staying any longer - 'dive' shouted the captain, the midget sub submerged and turned slowly making its way back out to sea.