It's a pity that the Prince of Wales doesn't really need to be on-call. If he was, I could wish something dramatic would happen at the wedding and he'd have to rush off to command his fleet or whatever.
"I must confess, on this, what should be my most happiest of days, that yes, some of the National Health Service funds have been diverted to the construction and maintenance of a clandestine fleet of armored exoskeletons so that I and various other members of the nobility can defend these isles from the extraterrestrial threat. I would answer more questions at this time, but the Xel'nar battle pods are almost out of the troposphere."
(sound of power suit slamming shut)