Related Clues:

• Explosive underwater projectile
• Trooped off with undersea missile
• Missile fired from underwater submarine
• A three-pronged spear as wielded by Neptune
• Three-pronged spear of Neptune
• Explosive underwater weapon
• Underwater explosive device
• This attack is enough to make 17 down sick
• The way to study clothing and forward it on?
• One might be goin' fishin' with it - all three of it
• Pointedly to ride if it's gone bad at last
• Seems I'd be fishing with this in the river
• It could be fatal for the pet to get involved with the door in 21 down
• Be carried among explosive for Neptune to have in hand
• What is there to do do about the rep that's so explosive? (7)