The 601 Commando Company () is a special operations unit of the Argentine Army, created on January 5, 1982. It was based on the original "Equipo Especial Halcón 8" created by Lt. Colonel Mohamed Alí Seineldín in 1978. The commander of this unit in the Falklands War () was 34-year-old Major Mario Castagneto. The Company was divided in three assault sections. One of the sections shot down a RAF Harrier GR3 at Port Howard and defeated an SAS patrol near Many Branch Ridge, in West Falkland. Captain Gavin Hamilton was killed in this action. According to the British version of events: