
To kick open doors, sprint towards the door and hold USE.
Your solder can carry two primary weapons and a secondary (handgun) weapon. Which weapon do you swap out when you interact with an ammo crate depends on the primary weapon being equipped at the time.
Basically, if you don't want a weapon in your inventory, equip it and swap it out.
The hidden PLA chopper in mission 1 is on the western beach of the island. After you destroy the western SAM site, take a walk along the beach to find this vehicle.
Enter the following codes in the "Bonus Codes" menu for bonus missions: