The U.S. Missile Defense Agency rolled out an airborne laser aircraft on Friday, the latest development in a missile-defense system that was once ridiculed as a "Star Wars" fantasy.
Nonlethal weapons such as high-power microwave devices should be used on American citizens in crowd-control situations before they are used on the battlefield. Domestic use would make it easier to avoid questions in the international community over any possible safety concerns, according to U.S. Air Force Secretary Michael Wynne.
Israeli defense officials are debating the future of the mobile tactical high energy laser (MTHEL) missile defense program.
Nanotechnology -- the science of materials that are atoms or molecules long -- has the potential to transform the world we live in, making it more interactive, safer and healthier, he said. But the technology also must be watched carefully to make sure it does no harm.