The Scaled Composites Model 348 White Knight Two (WK2), also known as Virgin Mother Ship (VMS) Eve, is a twin-fuselage, quadjet carrier aircraft designed and built by Scaled Composites as the air-launch platform for Virgin Galactic's SpaceShipTwo.
The aircraft accommodates a flight crew of two pilots, with space in the pressurized right fuselage for up to four launch crew members responsible for SpaceShipTwo operations.[3] Its payload capacity supports up to 13,600 kg (30,000 lb) delivered to 15,240 m (50,000 ft) altitude
Performance statistics
- 2,600 nautical miles (4,815 km) without payload
- 16,700 m (55,000 ft) service ceiling with reported capabilities up to 21,000 m unloaded
- 433 knots cruise speed when unloaded, 300 knots when ferrying SpaceShipOne
Crew & Payload
- 2 pilots + 4 flight engineers
- SpaceShipTwo adv. Customization increases capacity to 12






