(Info taken from the U.S. Army Web Site.)
The primary mission of UH-60 helicopter is that of tactical transport of troops, medical evacuation, cargo, and reconnaissance within the capabilities of the helicopter.
The UH-60 (BLACK HAWK) is a twin turbine engine, single rotor, semimonocoque fuselage, rotary wing helicopter. Primary mission capability of the helicopter is tactical transport of troops, supplies and equipment. Secondary missions include training, mobilization, development of new and improved concepts, and support of disaster relief. The main rotor system has four blades made of titanium/fiberglass. The drive train consists of a main transmission, intermediate gear box and tail rotor gear box with interconnecting shafts. The propulsion system has two T700-GE-700/701 engines operating in parallel. The nonretractable landing gear consists of the main landing gear and a tailwheel. The armament consists of two 7.62 mm machineguns, one on each side of the helicopter in the forward cabin (other weapon systems are available)
The UH-60 has many variants to include the UH-60A, UH-60L, UH-60M, UH-60MM and the MH-60.