You are a sniper of the american 5th special forces compound in Nha Tong, Vietnam.
Your mission in simple. Disrupt Vietcong command structure, scout VC posistions, ambush the enemy at night and most importantly, stay alive!
Also as your sniper role might suggest you must snipe your enemy, one by one.
Whether it be while waiting or during a strike, you'll get out and home that way.