Friendly and enemy bots fire infinite rounds without needing to reload.
Armored Personnel Carriers (APC's) can be destroyed in game by heavy machine gun rounds.
In the mission "To the Rig" Sgt. Baker and Capt. Weston tell you to go ahead and clear the building before they meet up with you, but they do not enter the building, and they just stay still, but when you do clear the building, they disappear from their spots outside and then their models reappear in an elevator.
Most of the entire game consists of only two or three soldiers killing many on screen.
Cpt. Bell, Sgt. Walker, and your other teammates never die or get hurt by enemy bots.