If we referred to an Apple or Android army, you might assume we're talking about a legion of brand-loyal fanboys, with which most Engadget commenters are intimately familiar. Defense contractors, however, are trying to turn the US Army into a lethal Apple / Android force with soldier-centric apps. Harris Corp. has a tablet app in the works that allows soldiers to control IP cameras on UAVs for more pertinent intel on the ground while simultaneously sending that information to command centers anywhere in the world. Meanwhile, Intelligent Software Solutions aims to bring mapping mashups to the battlefield (no