Han is the captain. The captain of a ship makes the calls as to what it does, and the Millennium Falcon came back.
I think a better question is why Luke gets special recognition versus the other pilots. I mean, he happened to be the one to make the final shot that blew up the Death Star, but everyone else in the squadrons went in too.
I’m thinking that this is some sort of joke article at City AM, because it’s always convention to define an acronym at first use, and they didn’t just omit it – like, it probably wasn’t just an editorial error – but put it in at the very end of the article.