This mission, Peterhafen, was the redoubt of the notorious militant German Archbishop Wolffe, and was to the left of the passage outside the entrance to which the Australian Navy laid blockade to the German raider of the same name - Wolf - which lay behind the entrance island to the caldera with her masts dropped to not be in visibility, all guns laid. in hope of luring the Australians in. Her call there was both protective and for purposes of de-fouling of the hull, her max speed being just eleven knots with economical cruise of eight knots, clean.