Code Effect
Up, Down, Left, Right, Select, Start, Select Extra Crew Upgrades - Gain 5 promotion points, use at the crew screen
Up, Down, Left, Right, Select, Start, Y Unlock all ships for Skirmish and Multiplayer
Up, Down, Left, Right, Select, Start, Start Unlock any mission - Allows you to switch missions on the briefing screen
Up, Down, Left, Right, Select, Start, X Unlock Klingon Campaign
Up, Down, Left, Right, Select, Start, B Use any ship you like in a mission