Impressive level bombing from the Do17 pilots. Thats the key. If you get down low with 190s you need to just drop your bomb and use your speed to avoid flak. I saw repeated attempts to strafe down the ships that didnt end well. You can tell none of us play the Main
Just dont strafe ships. Only boats can go down with bullets but they have a weird hitbox so its not worth it. The others have armour that stops any strafing attempts.
Get at them early from medium altitude. Ship flak doesnt seem to get much past 10,000ft but is wicked down low. Escorted Do17s do better in the later missions. I saw several make lone runs into a Spitfire CAP that can see the clump of 4 bombers from very far away.
Good Luck Good Plan