Overview: Artillery has always been one of the most important piece of weaponry you can have on a battlefield but accuracy is often a big trouble. The US Army is testing a new projectile who can correct it's direction and adjust itself. Its name is Excalibur. It can hit its target from 25 miles away, to within 10 yards. Mack is going head to head with Thor. A missile system that allow helicopters to strike ground targets within seconds. To show us the helicopter superiority on a battlefield, we will see what the Apache Longbow can do during the night against any enemy.