> With their practically unlimited ammunition costing about a dollar a round ...<p>I imagine this refers to the low cost of the energy required to operate the laser. It may seem a stupid question, but it had me going like "huh? a round of what?" for a few seconds.<p>On a more serious note, I hope they employ the technology necessary to use it with extreme care even in case of real war scenarios: if it aims at something, and misses, it's not a missile whose safety can neutralize it before hitting say a civilian aircraft flying kilometers from there in the same line of sight.