BBC 6 O'Clock News: UK to Test Mobilisation of Military Veterans

I think a lot of people in the strategic reserve don't really appreciate that they are in it, which is one of the problems that is trying to be addressed. The way it works is that officers and other personnel leaving the forces have essentially what is called a liability, which is that they can, in certain circumstances, usually the most dire or serious, be recalled to service and for officers I think the liability is technically for life."