What type of actual crisis are you talking about? The UK has one of the finest professional militaries in the world, amongst the finest special forces, some of

What type of actual crisis are you talking about? The UK has one of the finest professional militaries in the world, amongst the finest special forces, some of the best cyber capabilities, and nuclear tipped ICBMs lurking beneath the waves at all times. Other countries send their soldiers to us to be trained for gods sake! I'd imagine we could take care of any serious threat to the realm pretty easily.