Performance
SPEED
1,550 mph (2,495 kph) [Diff.-49 mph]
SPEED
1,599 mph (2,574 kph) [Diff.+49 mph]
RANGE
1,802 miles (2,900 km) [Diff.-198 miles]
RANGE
2,000 miles (3,218 km) [Diff.+198 miles]
CEILING
64,993 ft (19,810 m) [Diff.+14,993 feet]
CEILING
50,000 ft (15,240 m) [Diff.-14,993 feet]
RATE-OF-CLIMB
62,000 ft/min [Diff.0 feet]
RATE-OF-CLIMB
62,000 ft/min [Diff.0 feet]