"We are constantly reviewing the extent of the G4S shortfall and the military contingency force, " the Home Office said before the extra 1, 200 were deployed Tuesday.

CNN: UK deploying 1,200 extra Olympics troops

Currently, the Air Force maintains 16 tactical fighter wings, leaving a shortfall of four wings based on a two-MRC requirement for 20.

CENTERFORSECURITYPOLICY: Section IV: Building a Two-MRC Force for the 21st Century

The States employed company Crown Agents to come up with plans to cover the financial shortfall when a zero- rate corporation tax comes into force.

BBC: NEWS | Europe | Jersey | ?1m cost of implementing new tax