ZUM4940961: Sep. 08, 1954 - The 56th London Armoured Division carry out exercise. Pumping up a rubber tanks - Some 12,000 men and 4,000 vehicles of the 56th (London) Armoured Division (T.A.) is carrying out exercise “” London Pride”” on Salisbury Plain. The exercise is designed to practice the division in carrying out an approach march followed by an opposed crossing of the River Avon and break-out from the bridgehead against an enemy known to be equipped with atomic bombs. Keystone Photo Shows: The scene as a motor pump is used to inflate a rubber centurion tank by members of the Joint Concealment Centre during the manoeuvres on Salisbury Plain today / Bridgeman Images