Words

CPL Hillary : a corporal of the Royal Navy

Skully : CPL Hillary's frend and cabin mate he got the name from having a skull tattooed on to his arse

Battery : all guns of the same caliber put into groups

Officer : officer in the Royal Navy

Shell : projectile fired from any gun

Cetidel : where all of the main components of a ship are held e.g. The magazine,boiler room,and other components that are of grate value to the ships fighting capability

Explosive charges : bags of explosives
To force shell/bullet out of barrel

AA gun/s : anti aircraft gun
A A GUN
Mess : food

Med : medical

Broad side / full broad side : all guns on port or starboard side firing

Port : left

Starboard : right

So I think that's all but if you don't know anything else i will happily guide you in the right direction