No. 617 Squadron RAF is one of the most famous units in the Royal Air Force, formed in March 1943 to carry out specialist operations requiring exceptional accuracy, planning, and flying skill. The squadron’s identity was forged during the Second World War, most notably with Operation Chastise—the “Dambusters” raid—when crews flying specially modified Avro Lancasters attacked key industrial dams in Germany using Barnes Wallis’s “bouncing bomb”. The operation made the unit internationally known and set the tone for its wider wartime role.
After Chastise, 617 Squadron continued as a precision-strike formation, tasked with difficult targets such as bridges, viaducts, and hardened installations. Its crews employed advanced techniques and new weapons as they became available, reflecting the RAF’s shift toward more targeted bombing in the later war years. The squadron’s history is therefore closely tied to the development of specialist bombing, navigation, and low-level attack methods, as well as the airfields and support networks that enabled sustained operations.
Post-war, 617 Squadron remained active through successive eras of RAF capability, adapting to new aircraft and missions as technology and strategic priorities changed. While its modern role differs from the wartime period, the unit retains a strong heritage connection to innovation, precision, and operational excellence.
Within the FOH archive, 617 Squadron serves as a thread linking aircraft types, stations, and campaigns across multiple decades—illustrating how a single unit can carry forward traditions, evolve in purpose, and remain part of the wider landscape of RAF operational history.