Performance
SPEED
1,370 mph (2,205 kph) [Diff.-149 mph]
SPEED
1,519 mph (2,445 kph) [Diff.+149 mph]
RANGE
1,988 miles (3,200 km) [Diff.+1,100 miles]
RANGE
889 miles (1,430 km) [Diff.-1,100 miles]
CEILING
50,000 ft (15,240 m) [Diff.-9,058 feet]
CEILING
59,058 ft (18,001 m) [Diff.+9,058 feet]