In the first sequence, it's important to note that the German vessel (not sure if it qualifies as a "patrol boat," as I couldn't identify it) bears-off in order to avoid striking a "friendly" inflatable. What's interesting about the later sequence is the master's throttle control, and what appears to be the patrol boat driving the stern of the "unfriendly" inflatable underwater in order to disable its engine. I'm getting a kick out of imagining (delivered in a German accent, naturally): "UNIDENTIFIED VESSEL OFF MY STARBOARD BOW!THIS IS THE GERMAN PATROL BOAT, OMGPWND! YOU HAVE ENTERED RESTRICTED WATERS! HEAVE TO...