New Delhi: Weapons are the need of every nation to safeguard itself from its enemies.
With the improvement in technology, more drastic weapons have also been introduced. They have been upgraded to make its use more precise and efficient.
The development of these weapons involves huge amount of investment. The Pentagon breaks the costs of weapons into two categories. The first is research and development. The second is the actual costs to buy the weapons.
Here we present a list of ten most expensive weapons, on the basis of cost per unit of that weapon:
