The Navy Is Arming Nuclear Subs With Lasers. No One Knows Why.

“One of the major drawbacks of HELs [High Energy Lasers] is their energy requirement, something that is obviated if one places them on a nuclear-powered submarine, which generates enough power to operate them as well as everything else on board,” Sidharth Kaushal, Research Fellow in Sea Power at RUSI, told Popular Mechanics.