The following are known Action Replay Codes for Army Men: Air Attack on Sony Playstation (PS1).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay, CodeBreaker & GameShark

Infinite Ammo All Weapons
800506422400

Infinite Health P1 and P2
8003ba662400

Infinite Health P1
8003ba500100
8003ba523221
8003ba5c0002
8003ba5e1020

Infinite Health P2
8003ba500100
8003ba523221
8003ba5c0002
8003ba5e1420

Open All Missions
e00eb1d20001
300eb1d20010

Open All Helicopters
e00eb1d30001
300eb1d30004

Open All Co-Pilots
e00eb1d40003
300eb1d40005