In the single player game, press the pause button and select Option

When the jeep the commandos were in crossed the bridge when the bridge was suddenly collapsed by enemy helicopters the commandos jumped out of the vehicle in time to fight the enemy on the spot with the support of helicopter gunships getting closer and closer eventually a rocket exploded near the commandos and everyone fell down the main character who was in a blur saw Zakhaev slowly coming with a pistol and shot one of the commandos who was struggling to get up