The B-2 is an advanced stealth, all-altitude attack plane with missions up to 50,000 feet (15,000 m). It has a range of more than 6,000 nautical miles on internal fuel. It entered service in 1997 as the second aircraft designed to have advanced stealth technology. Though originally designed as a nuclear bomber, the B-2 was only to see combat in the Kosovo War in 1999. It later served in Iraq, Afghanistan, and Libya.
Performance
Maximum speed: Mach 0.95 (550 knots, 630 mph, 1,010 km/h) at 40,000 ft altitude / Mach 0.95 at sea level
Cruise speed: Mach 0.85 (487 knots, 560 mph, 900 km/h) at 40,000 ft altitude
Range: 6,000 nmi (11,100 km (6,900 mi))
Service ceiling: 50,000 ft (15,200 m)
Wing loading: 67.3 lb/ft² (329 kg/m²)
Thrust/weight: 0.205
