Mi-26 Halo

The Russian Mi-26 Halo is the world's heaviest heavy-lift helicopter currently in production. Its latest version is the Mi-26T2, first flown in 2011, which features a glass cockpit and updated flight control and mission control equipment. (See "Variants," below, for more information.)

The aircraft holds several payload-to-height world records including a lift of a 55,115-lb (25,000-kg) payload to 13,451 ft (4,100 m). The Halo can lift a full rifle company or two airborne infantry...