Performance
SPEED
1,550 mph (2,495 kph) [Diff.+168 mph]
SPEED
1,383 mph (2,225 kph) [Diff.-168 mph]
RANGE
1,802 miles (2,900 km) [Diff.-497 miles]
RANGE
2,299 miles (3,700 km) [Diff.+497 miles]
CEILING
64,993 ft (19,810 m) [Diff.+13,041 feet]
CEILING
51,952 ft (15,835 m) [Diff.-13,041 feet]
RATE-OF-CLIMB
62,000 ft/min [Diff.+2,000 feet]
RATE-OF-CLIMB
60,000 ft/min [Diff.-2,000 feet]