Going to try this… 2 parts, roll for hits (each ship), and then type of damage…
Mines:
Roll for hits, then roll 1 die for damage…
Transports: 1= ship sunk or lose 2 loads, 2= ship sunk or lose load 1 load, 3= cannot unload*,
4= unload 1 unit only*, 5= lose 1 movement factor**, 6= no effect.
Battleships: 1= if undamaged, damaged** and lose 2 attack factors*; if damaged, ship sunk,
2= if undamaged, damaged**; if damaged, lose 2 attack factors* and 1 movement factor**,
3= lose 2 attack factors*, 4= lose 1 attack factor*, 5= lose 1 movement factor**, 6= no effect.
Cruisers: 1= ship sunk, 2= lose 2 attack factors* and 2 movement factors**, 3= lose 1 attack factor* and 1 movement factor**, 4= lose 1 attack factor*, 5= lose 1 movement factor**, 6= no effect.
Submarines: 1= sub lost, 2= lose 1 attack factor* and cannot submerge**, 3= lose 1 attack factor*,
4= cannot submerge**, 5= lose 1 movement factor**, 6= no effect.
*current turn only **must be repaired in port