The Army plans to hold a competition for future replacements of its small unmanned aircraft systems -- an inventory currently made up of Ravens and Pumas -- opening an opportunity for companies to build systems for the service's next generation of "rucksack portable" UAS, according to an Army official. "A [Medium Range Mobile UAS] and a [Long Range Reconnaissance and Surveillance UAS] replacement program will be competed in a full and open competition after the useful life of the Raven...