Bell, NASA reach agreement in unmanned aircraft development

Bell Flight reached an agreement with NASA to design and produce an unmanned aircraft with flight demonstrations scheduled for 2020.Bell, a subsidiary of Textron Inc. (NYSE: TXT) and formerly known as Bell Helicopter, will help produce a product called Autonomous Pod Transport 70, or APT70 for short. This is a drone-like machine that can reach speeds of 100 miles per hour and carry 70 pounds.Ready for some more aerospace acronyms? This aircraft uses VTOL UAS technologies. VTOL refers to 'vertica