"self guided" bullet created by sandia labs engineers

Sandia labs engineers have got success in creating laser guided .50 caliber bullet.The task was very difficult and was demanding extra effort and creativeness from them.It took them 3 years to design a prototype of the bullet.This effort and creativity of the scientists will give new limits to the modern warfare.The bullet designed by the engineers is 4 inches long and half inch in diameter directs itself like a tiny guided missile and can hit a target more than a mile away.