<Ul> <Li> Crew: 4 (aircraft commander, copilot, offensive systems officer, and defensive systems officer) </Li> <Li> Payload: 125,000 lb (56,700 kg); internal and external ordnance combined </Li> <Li> Length: 146 ft (44.5 m) </Li> <Li> Wingspan: <Ul> <Li> Extended: 137 ft (42 m) </Li> <Li> Swept: 79 ft (24 m) </Li> </Ul> </Li> <Li> Height: 34 ft (10.4 m) </Li> <Li> Wing area: 1,950 ft2 (181.2 m2) </Li> <Li> Airfoil: NACA69 - 190 - 2 </Li> <Li> Empty weight: 192,000 lb (87,100 kg) </Li> <Li> Loaded weight: 326,000 lb (148,000 kg) </Li> <Li> Max . takeoff weight: 477,000 lb (216,400 kg) </Li> <Li> Fuel capacity, optional: 10,000 U.S. gal (37,900 L) fuel tank each in 1--3 internal weapons bays </Li> <Li> Powerplant: 4 × General Electric F101 - GE - 102 augmented turbofans <Ul> <Li> Dry thrust: 17,390 lbf (77.4 kN) each </Li> <Li> Thrust with afterburner: 30,780 lbf (136.92 kN) each </Li> </Ul> </Li> </Ul> <Li> Crew: 4 (aircraft commander, copilot, offensive systems officer, and defensive systems officer) </Li> <Li> Payload: 125,000 lb (56,700 kg); internal and external ordnance combined </Li> <Li> Length: 146 ft (44.5 m) </Li>

What is the payload of a b1 bomber