A century of British military aviation unfolds through the airfields that built it, starting on the grass strips of the First World War where early pilots scrambled to intercept German Zeppelins over the English coast. The film moves into the interwar years and then into the Second World War, where the Lancaster bomber and Barnes Wallis's bouncing bomb designs anchor a section on Bomber Command's industrial scale. Archival footage of biplanes, hangars, and airstrips gives way to the jet age, tracing how the same bases adapted from fabric-winged fighters to supersonic aircraft. Rather than a single battle or campaign, the film organizes itself around place: specific airfields reused and rebuilt across decades, each one a marker of how quickly aircraft technology changed and how the RAF's infrastructure had to keep pace. Historians associated with History Hit narrate the throughline, connecting engineering decisions to the wars they were built for. It works as a broad survey of how British air power actually got built, runway by runway.