,,, which led me to Wikipedia, from which we learn that James Blunt was at Harrow, Bristol University and The Royal Military Academy Sandhurst, and served six years as an officer in The Life Guards {Household Cavalry}, rising to rank of Captain; in which capacity he was one of those guarding the Queen Mother's coffin during its lying in state.

Hmmm... I think I see what Jack meant in his OP.

~Michael~