Star Trek: Tactical Assault - 5 upgrade points

All ships available in all missions:
At the main menu, press Up, Down, Left, Right, Select, Start, X to unlock all ships available in all missions.

All ships for Skirmish and Multiplayer modes:
At the skirmish screen enter Up, Down, Left, Right, Select, Start, Square.

Mission Select:
At the main menu, enter Up, Down, Left, Right, Select, Start2.

Unlock Klingon Campaign:
At the main menu, enter Up, Down, Left, Right, Select, Start, Triangle.