Originally Posted by
cessnapete
Maybe minor delays to MOD, but at a cost of many £££££ to the airlines. Mass holding, Long Haul aircraft diverted, and great disruption to passengers.
But not as great a disruption as from a major security incident. This was clearly an operational sortie for which we don't need to know the details, but it would be reasonable to assume that it was being done for a good reason (the public benefit) rather than simply to annoy LHR.