The unveiling at the National Memorial Arboretum in in Staffordshire in front of more than 600 service veterans and their families, 30 years on from the task force landings in the Falklands, ended with a flypast, BBC reported.
The service included a pipe lament by former members of the Scots Guards and a solo sung by Kathyrn Nutbeem, the daughter of Major Roger Nutbeem - who was one of 48 members of the armed forces killed on board troop ship Sir Galahad.
The flypast involved aircraft used in the Falklands and was led by the UK's last airworthy Vulcan bomber. It was flown by the pilot who led the first raid on the runway at Port Stanley - a mission known as Black Buck 1.
The Falklands War, which began with an invasion of the islands by Argentine forces, ended in their defeat and the deaths of 649 Argentine and 255 British servicemen.
Britain has controlled the Falklands since 1833 but Argentina claims the territory - which it calls the Malvinas - saying it inherited rights to them from Spain.