 Anti @-@ Submarine Sea Kings of 820 Naval Air Squadron was embarked on HMS Invincible . With 11 HAS.5s , the squadron operated anti @-@ submarine and search and rescue sorties with one helicopter always airborne on surface search duties . On 14 June , an 820 NAS Sea King HAS.5 was used to transport Major General Jeremy Moore to Port Stanley to accept the surrender of Argentine troops on the island . The squadron flew 1 @,@ 650 sorties during the war . A Flight of 824 Naval Air Squadron embarked two Sea King HAS.2As aboard RFA Olmeda and were used to move supplies to other ships on the way south and later anti @-@ submarine patrols . C Flight had three Sea King HAS.2As on board RFA Fort Grange which were used for replenishment duties , supplying over 2 @,@ 000 tons of stores . 
