The boat ran, as these boats always did, with her nose well down and to those who could not see the depth gauge it seemed as though we were bound for the bottom. When a bucket got loose and clattered down the engine-room floorplates it sent hearts into mouths.
The working of the diving rudder wheel was rather a cunning business in those early boats and when the American crew left after the first underwater run, care had to be taken to select suitable petty officers to train as 'diving coxswain', the English version of boss diver".
