Since the ammunition is merely light or radio waves
"When you're dealing with people whose full intent is to die, you can't give people a choice of whether to comply," said George Gibbs, a systems engineer for the Marine Expeditionary Rifle Squad Program who oversees directed-energy projects. "What I'm looking for is a way to shoot everybody, and they're all OK."
Military officials also say more needs to be done to assure the international community that directed-energy weapons set to stun rather than kill will not harm noncombatants.
the Middle East because, he contends, people there are especially afraid of lightning