Earlier single-engined models show single large exhaust tilted up behind engine; all have flat-glass cockpit panes. All have a distinct pointed nose with prominent chin-turret. Twin-engined Super Cobras are the Marines' vehicle of choice, and have large twin engine pods, cheek bulges for avionics, rounded glass cockpit.

An attack helicopter developed in the 1970s, wirh many upgrades including dual engines, more armor, marine avionics, large TOW missile pods. Also prominent in Desert Storm operations.