Consider the following statements about Directed Energy Weapons (DEWs):

I. DEWs use highly focused energy in the form of lasers or microwaves to incapacitate or destroy targets.

II. India's DURGA II is a 100-kilowatt lightweight directed energy weapon being developed by DRDO.

III. DEWs can neutralize drones, missiles, and artillery shells at the speed of light.

Which of the statements given above is/are correct?