In the event of a war, one expert suggests the British Army could be incapable of fighting effectively on land within weeks, once committed - though 'much depends on the form of the conflict'.
The BBC will broadcast Scotland's first World Cup match since 1998, when they take on Haiti on 14 June, plus their final group match against Brazil and England's group match against Ghana.
A wide-ranging investigation into illegal gambling involving figures in Turkish football is underway with hundreds of players, club owners and referees under scrutiny, BBC Sport looks at what's going on.