Commando Comic #4338 'Sea Clash' (2010)
 
The Baltic Sea, 1917. Royal Navy Lieutenant Henry Morgan and his submarine crew regularly battled with German Imperial vessels. Battle-hardened, they could deal with anything the enemy threw at them.
 
But even Henry, experienced commander though he was, couldn’t hide his concern at the prospect of locking horns with a new class of enemy ship — one that could only be described as a monstrous leviathan…