For years, the Defense Advanced Research Project Agency, aka DARPA, has sought to develop a vertical takeoff vehicle that combines the mobility and versatility of the standard helicopter with the range and top speed of a fixed-wing aircraft. Three years after selecting Aurora Flight Sciences to develop the first functional prototype in the VTOL Experimental Plane (VTOL X-Plane) program, DARPA may have found the aircraft of its dreams in the XV-24A:
Benjamin Franklin nailed it when he said, "Fatigue is the best pillow." True story, Benny. There's nothing like pushing your body so far past exhaustion that you'd willingly, even longingly, take a nap on a concrete slab.