[Captain Bran]

Here are some good cheats for the PS2:

Choose "Options" from the main menu, then select "Extras" and Press UP, DOWN, DOWN, LEFT, LEFT, LEFT, LEFT, RIGHT, RIGHT, LEFT, LEFT, UP, UP, LEFT, LEFT, DOWN, LEFT, RIGHT at the Extras Menu.

All of the Extras will be unlocked except the "Movies". This code also adds a new "Cheat Menu" option on the Options Menu; use it to toggle invincibility, max out your missles or set up wingmen options.

Ultimate Wingman

Choose "Options" from the main menu, then select "Extras" and press DOWN, DOWN, LEFT, DOWN, DOWN, UP, RIGHT, RIGHT at the Extras menu. Apollo and Starbuck will be as assigned as your wingmen, even if you're starting a new game.

Info taken from Tips & Tricks No. 113 July, 2004