About Harpoon

Several addons, so called "Battlesets" were released seperately or bundled with later editions of the main game:
They are:
Battleset 1: Greenland Iceland UK Gap (GIUK) - Standard Battelset coming with the main program.
Battleset 2: North Atlantic Convoys (NACV)
Battleset 3: The Mediterranean Conflict (MEDC)
Battleset 4: The Indian Ocean / Persia Gulf (IOPG)
Harpoon Scenario Editor