Glenn Birks: PB024263
Glenn Birks: P8102063
Glenn Birks: P8222321
Glenn Birks: P8222338
Glenn Birks: Ladybower Dam, Derbyshire. During the Second World War, the reservoir was used by pilots of the 617 Squadron for practising the low-level flights needed for Operation Chastise (commonly known as the "Dam Busters" raids).