On September 12, 1961, a landmark event took place in the history of the R.1127: the second prototype (XP836) completed a flight through the full profile – vertical takeoff, transition to horizontal flight, transition to hover, and vertical landing. This confirmed in practice the viability of the VTOL concept with thrust-vector control incorporated into the R.1127’s design. […] The post The Birth of the “Harrier,” Part 5: Testing and Prospects appeared first on AERONAUT.media.