The advertising for Killzone 3 is in full swing and Sony has announced a special contest in the lead up to its release. A man calling himself Seargent McCain is looking for recruits for the ISA Marines.

Signing up for the ISA Ultimate Recruit Training (sadly only available to British residents) will give one grand prize winner a trip to E3 and the ability to fire a real Helghast weapon. Find out more at ultimaterecruit.killzone.com/prereg {link no longer active}.