What Flatus Veteranus posted should remind the doubters what a 'can-do' lot the services are. I too had direct experience during Op Corporate of how efficiently and quickly the service could get things done once the purse strings were open and the normal b*lls**t by-passed.
Look further at Gulf War 1 and try to understand the massive logistics achievements, not only ours but the Americans too. I concur with the Wembley Stadium statement. I once had the pleasure of assistance by the RE with a particularly tricky bit of temporary construction in a very tricky part of the World and they starred.
I have yet to see any civilian company or its' employees exhibit such qualities and that includes companies I have worked for staffed by mainly ex-military personnel. Why, because the management stifles their innate abilities - just like many senior officers do in peacetime.