A startup from Boulder, Colorado, is pitching what it calls the world's largest aircraft by volume, a plane so massive it could carry four F-35 stealth fighters or six CH-47 Chinook helicopters without disassembly. Radia, the company behind the concept, unveiled its plan for defense applications late last week. "Strategic mobility buys time and space for the force," Radia founder and CEO Mark Lundstrom said in the statement. "WindRunner was designed to move full systems, such as long-range radars, tiltrot ...