U-Boot torpediert Geleitzug!

Objective: sink most boats with 5 torpedoes - acting by turns – 4 ships are positioned at an agreed distance; An elastic band is stretched and a ‘wooden’ torpedo is loaded; each player has 5 shots to hit as many boats as possible; aim and unleash – after you’ve made 5 shots it’s next player’s turn. Note: Likely published early 1940’s