That means this can go through walls

Peter A. Morrision, program officer for ONR's Solid-State Laser Technology Maturation Program, said in a statement: "The solid-state laser is a big step forward to revolutionizing modern warfare with directed energy, just as gunpowder did in the era of knives and swords." Unlike what's portrayed in the movies, AP notes, the lasers will not emit a glowing beam; instead, the shots will be invisible.