Question about convoys' navigation at night
 

Hello,

In the game, the ships have no lights at all during the night. In reality, how was it possible for ships sailing in convoys to not collide each other without any position lights at all? Is there anyone who read something about night navigation of the WWII convoys? How was it possible in practice? What were the tactics?

Thank you for any answer.

:Kaleun_Salute: