The document discusses the Mi-171Sh military transport helicopter. It describes the helicopter's design features like armor protection and low infrared signature. It has weapons like the Shturm-V missile system to engage tanks and aircraft. The helicopter can carry up to 4,000kg of cargo internally and externally. It has a maximum speed of 250km/h, range of 580km, and altitude of 6,000m. More than 120 have been delivered worldwide.