While quite possibly the least cheerful film ever made - it was based on a UK military planning exercise (Square Leg) that was actually pretty optimistic. In the optimistic version - only 90% of the population of the UK is killed, in the realistic ones it is much worse.
While quite possibly the least cheerful film ever made - it was based on a UK military planning exercise (Square Leg) that was actually pretty optimistic. In the optimistic version - only 90% of the population of the UK is killed, in the realistic ones it is much worse.