ON May 10, 1982, the UK Task Force in the Falklands was briefed about the San Carlos landing plans agreed by the British war cabinet the day before.
Later that night, the Argentine supply ship Islas de los Estados was sunk by HMS Alacrity in Falkland Sound.
Alacrity engaged the 3,900-tonne ship with 15 rounds of her 4.5-inch gun.
The Argentine ship blew up after seven of the hits ignited her cargo of jet fuel and ammunition. Only two of the 24 men aboard survived.
It was on this day that Argentina declared that the entire South Atlantic was now a war zone.