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Technical Details: Format: 35mm
Number of items/reels/tapes: 1
Footage: 101 ft; Running time: 1 min
Notes: "Upkeep" was code name for bouncing bomb tested on 11 and 13 May 1943 and used following week on Dambuster Raid by RAF 617 Squadron against Ruhr dams (Operation Chastise, 16 May 1943)