Army Men: Air Attack 2 Hints for Playstation
Also on: PlayStation 2
In the mission where you have two power the bulldozer back to ypur base stay with the bulldozer and let the tan helicoters bring the batteries to you.
When the tan helicoters get close enough blow them out of the sky and take the battery.
There is a fifth helicopter, to get it you need to finish the game with more than 90% plastic, the helicopter is blue.