Performance
SPEED
1,550 mph (2,495 kph) [Diff.+233 mph]
SPEED
1,317 mph (2,120 kph) [Diff.-233 mph]
RANGE
1,802 miles (2,900 km) [Diff.-820 miles]
RANGE
2,622 miles (4,220 km) [Diff.+820 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.+12,000 feet]
RATE-OF-CLIMB
50,000 ft/min [Diff.-12,000 feet]