Northrop Grumman's MQ-4C Triton unmanned aircraft is one step closer to serving the Navy in reconnaissance and surveillance missions, having just completed its first flight. The drone spent 80 minutes in the air, reaching an altitude of 20,000 feet. That's child's play compared to the aircraft's full potential: according to the Navy, it can soar at up to 60,000 feet and stay airborne for as long as 30 hours, due in no small part to its
