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Anti-aircraft battery in Southwark Park.

Anti-aircraft battery in Southwark Park.
Anti-aircraft battery in Southwark Park.
© National Maritime Museum, London
Repro ID: H3221
Description: At the start of the Blitz there was little the British could do to oppose the German bombers at night. At that time few of the defending anti-aircraft batteries were equipped with fire-control radar and the searchlights used were rarely effective at altitudes greater than 3,600 m (12,000 ft). Only a few night-fighters were fitted with AI (airborne interception) radar; and ground controlled interception radar (GCI), which tracked incoming aircraft overland, was still being developed. It was, therefore, unusual for a raider to be seen by the defenders and rare for one to be shot down. On 7 September 1940, only 92 guns were available to defend London. The fire control system for these failed miserably (as did the night-fighter squadrons) and for three nights the city was pounded with hardly a gun being fired in retaliation.
Creator: Mrs Fox
Date: c.1940
Credit line: Southwark Library collection.
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