ports

Hey guys, I was wondering if anyone here could answer a question of mine. During the Battle of Britain, were Luftwaffe fighter and zerstörer units that weren't assigned duties over England instead ordered to patrol over the invasion ports to intercept RAF bombers?

Does anyone have any information on the cannon armament, use or otherwise, on the Bf110D when fitted with the huge 'Dackelbauch' belly tank ? Although the cannon ports are clear of the front of the tank, the spent cases ejector ports are covered by the huge fitting, so I'm guessing that the...

Note: structure that looks like intakes are gun ports