A small brochure on the Bell V-280 Valor tilt-rotor proposal.
Per Wikipedia: ”The Bell V-280 Valor is a third-generation tilt-rotor aircraft being developed by Bell Helicopter and Lockheed Martin for the United States Army's Future Vertical Lift (FVL) program. The aircraft was officially unveiled at the 2013 Army Aviation Association of America's (AAAA) Annual Professional Forum and Exposition in Fort Worth, Texas, with a projected first flight in 2017.”