Since the 1970s, the U.S. military has used unmanned airplanes to see behind enemy lines. But each of these "drones," which cost upwards of $15 million apiece, provides strategic intelligence only to top-ranking officials. Real-time surveillance information rarely makes it to the commander on the battlefield's front line. The Marine Corps Warfighting Laboratory is on the verge of changing that.

Select from the choices above to read the entire article.