No matter one's opinion as to the reason for it all, it gave us a very moving song that says nothing about the politics of it.
Some friends of mine were in a pub in England, when the author, just back from The Falklands, sang it from his handwritten copy. They asked to record it, and he agreed.
Here's the words and tune.
http://www.traditionalmusic.co.uk/song-midis/Survivor_Leave.htm