--=--=--=--=--=--=--=--=--=--=--Ocean Terrorists--=--=--=--=--=--=--=--=--=--=--
        ID:        ocean_terrorists
        Old name:  Terrorists
        Points:    3
        Planet:    Caladan
        Solved(3): Kain,Botzy,Radiant
        Old hint:
    The Atreides Navy has been plagued by recent terrorist attacks on
    their new ships, both at sea and in harbour. Atreides Security
    personnel have learned the terrorists, possibly backed by the
    Harkonnens, are planning to take one of their vessels while in dock.
    Should this occur, the Atreides will reward you for killing any
    terrorist leaders on board the ship. The Atreides don't know when
    the terrorists plan to attack, but they do know they have been
    stockpiling on explosives.
--=--=--=--=--=--=--=--=--=--=--Ocean Terrorists--=--=--=--=--=--=--=--=--=--=--

It all takes place on Serena's Necklace. Take a wingboat there.

Probably the most frustrating part of this quest is that it's only available on certain days of the month. Like three days. If you go to the area and can enter the bridge of the ship then it is NOT the right day. Look for a message to the effect of “terrorists have welded the doors shut” and you'll know it's the right time.

You need to find two items <spoiler> a grappling gun and a hook</spoiler>

and a secret passage <spoiler> in one of the magazines</spoiler>

and after that you just slaughter all the small terrorist mobs.

Gives some cash and explorer points.