Russian surface-to-air missile. Improved version of the 48N6 for the S-300PMU-1 48N6E and S-400 systems, capable of shooting down tactical ballistic missiles at incoming speeds of 4.8 km/s or hypersonic targets flying at 3.0 km/s at 150 km altitude. AKA: S-400. Payload: 180 kg (390 lb). Gross mass: 1,700 kg (3,700 lb). Height: 6.98 m (22.91 ft). Diameter: 0.52 m (1.69 ft). Span: 1.04 m (3.40 ft). Apogee: 30 km (18 mi). Maximum range: 400 km (240 mi). Boost Propulsion: Solid rocket. Minimum range: 3.00 km (1.80 mi). Floor: 10 m (32 ft).