When in war, you need to be ruthless and do all the things that you haven't done before. You need to be that to live little longer. Of course, you would only do that to those hostiles. Otherwise, there is no need to do that if they are not hostiles. We are not animals and we do value lives. As a truck driver, you do need to learn to fight especially when you are driving one of the few military trucks that are fit for war. These trucks are not just ordinary military trucks since it have some cannon and it can take on some tanks. Drive your truck to the battlefield and destroy anything that would try to destroy you. You can pick some kind of spark after destroying those base. You need that you buy some upgrades for your truck. The objective is to get to the rendezvous as fast as you can. But, that won't be easy and you need to defend yourself. The game would not be as easy as the first few levels as you make some progress. You need to buy some upgrades if you want to go further in the game.