They have sent armed mercenaries from a marine unit to defend the mining equipment while workers extract the krystals, but not everyone is happy with the excavation...

An Islandic Cavalry officer has assembled a makeshift posse from locals, they will not allow the mining to continue. (played by DJ Squidley)
Objective: Destroy the mining equipment

A squad of STFU soldiers has also arrived, rolling up in their APC, (driver not pictured.)
Colonel Klonk: 'Ve mist get those krystals, ja!
(Played by StalinsFavoriteKhat)
Objective: Steal the Krystals

The marines aren't going down without a fight however, and have shored up their defenses... (Played by Texnhophile)
Objective: protect the equipment and Krystals