Beaufort (Bo-fort)was the aeroplane in WW2. The gun was the Bofors, built under licence from the original Swedish company.

Just to upset the token Scot even more, isn't this Dun Edain just an invented form to hide the true original Edwin's Burg? King Edwin of Northumbria, which stretched up into what is now Fife, and covered what is now Northern England and the Scottish Lowlands. Shame it was driven out of existence, it makes a lot more sense to think of mainland Britain as the Celtic fringes, the Northern centre, and those damned sudanglii......