I thought it was you who was doing the presentation?
Which presumably includes doing your own PowerPoint.....
That doesn't surprise me about Chivenor, Al R! But the amount of mud around the place when I ws there would have obscured many footsteps. The Stn Cdr had a moan about aircrew in muddy boots, but nearly had a fit when someone walked in wearing wellies with his flying boots around his neck on bits of string!