On 11 July 2021, Richard Branson and three employees were passengers on a flight, up to an altitude of 86 km (53 mi); the flight had two pilots. However, the rocket plane "Unity" flew outside restricted airspace; That happened for 1 minute and 41 seconds. The Federal Aviation Administration allowed [any] SpaceShipTwo rocket plane to fly again [from] September 2021, after deciding to expand (or make larger) the restricted airspace around the vehicle's flight range.