The Ranger (1970)

The year is 2092, the world has fallen into another state of War. World War III has begun. A hidden device known as PA5305 can put an end to the disastrous War as we know it. Leaks on its location have spread, every side now hunts it down. Some to use it to end the War, others to destroy it for that very reason. A ranger has been sent on a solo mission across the battlefields to retrieve PA5305 from its leaked location. The enemy side has sent a hunter to track down the ranger and stop him in his path. Whoever retrieves the device will decide the fate of World War III.