Urban Shield  1018
Black Out     1006
Ice Storm     1213
Dessert Fury  0203
Tiger Trap    0917
Crack Down    0354
Hurricane     none

Enter the following codes while the game is paused.

Maximum fuel and armor: Press select, L2, select, R2, Triangle,
Triangle, Triangle, O.

Maximum weapons: Press select, L2, select, R2, L1, L2, R1, R2

Summon Wingman: Press select, L2, select, R2, Square three times, O.

Upgrade current weapon: Press select, L2, select, R2, L1, L1, R1, R1.