bell v-280 valor. drawing of multirole tiltrotor aircraft.

v280 valor bell united states assault fvl future vertical lift tiltrotor search rescue tilt rotor twin takeoff convertiplane tactical multirole serch copter heli vtol propeller flight airplane turboshaft prototype helicopter military chopper aircraft air army transport aviation transportation sky war plane blade vector profile weapon combat attack warfare v-280 drawing side view infographics valor aircraft