There was no difficulty finding gunmen in those days. Swordsmen were rarer. But blades are the style when you’re escorting a princess. There she is, the future Queen Elizabeth, looking very nicely turned out.
It’s understandable that you didn’t notice her at first glance, given the distinguished handsome bloke beside her. He’s District Inspector Murphy – aka Great Uncle Mike – of B District.
He tended to be called in to lead RUC parades on royal visits, partly because he was one of the few officers versed in sword drill. That came from his Irish Guard days.
On this occasion Princess Elizabeth is inspecting an RUC Guard of Honour at Belfast City Hall in June 1949. The following month Michael Murphy was promoted from DI 2nd class to DI 1st class.
Another family policing link is here – Dan Waters of the RIC.