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Summary: A military training film providing an introduction to the anti-aircraft operations protecting Britain from possible enemy attack.
Description: (Reel 1) The AA Problem: four types of air defence: Royal Observer Corps, gun defence, anti-aircraft and the RAF; two types of target - high flying aircraft detectable at 200 miles are resisted by heavy guns (HAA); low flying aircraft detectable at 20 miles are resisted by low level guns (LAA); early warning is provided by RAF radar stations; library shots of the Thames, anti-aircraft guns retaliating, aerial shots of London burning, bombs dropping, an operations room with women operators plotting the map, lawn bowls and cricket in the English countryside, a woman kicking off a soccer match. (Reel 2) the calculation of future position by use of predictors, types of Radar - TC (tactical control) for medium range; FC (fire control) for short/narrow range. (Reel 3) FC typical radar AA No 3 MK 7; typical HAA gun 3.7 inch 2C at twenty-four rounds/min; LAA 40mm gun with sights correctional to targeting of enemy fires at two rounds per second; many shots of women in the ops room operating the computer, the predictor etc; searchlights at night directed by radar pinpoint the enemy; documentary and diagrammatic representation of procedure from early warning to hitting the target.
Production Details: Army Kinema Corporation (Production sponsor)
National Interest Picture Productions Ltd (Production company)
Hopkins, A E C (Production individual)
Jackman, A F (Production individual)
Clark, J H (Production individual)
Anscombe, Ronald (Production individual)
Millett, C F (Production individual)
North, R A (Production individual)
Personalities, Units and Organisations:
Physical Characteristics: Colour format: B&W
Sound format: Sound
Soundtrack language: English
Title language: English
Subtitle language: None
Technical Details: Format: 35mm
Number of items/reels/tapes: 3
Footage: 2050 ft; Running time: 23 mins