A UH-60L that I snapped some shots of while on Flight Line duty at the Geneseo Airshow in 2010. It belongs to the Air National Guard here at KROC.
Aircraft notes: The UH-60L is an upgraded variant of the UH-60A, the original US Army Blackhawk that was put into service. It is equipped with more powerful General Electric T700-GE-701C (some are equipped with the D model) engines, improved gearbox, and upgraded FCS.
The next step up is the UH-60M, featuring the D model engines, an improved gearbox, wider chord main rotor blades (with winglets) and a glass cockpit.