ORLANDO, FL -- Boeing and Sikorsky this week unveiled their offerings for the competition to replace the UH-1N Huey, following the Air Force's recent announcement that it will release a second draft request for proposals next month and delay the final version until this summer. Boeing is teamed with Leonardo and will put forward a militarized version of Leonardo's AW139, which it is designating the MH-139. The aircraft was unveiled March 2 at the Air Force Association's Air Warfare Symposium...