Complex sentence: In the late 1920s the British had a requirement (F.20/27) for a short-range fast climbing daylight interceptor-this led to (among others) the de Havilland DH.77 and Vickers Jockey monoplanes.
Split into simpler sentences: In the late 1920s the British issued a requirement (F.20/27) for a short-range fast climbing daylight interceptor. This led to the de Havilland DH.77 and Vickers Jockey monoplanes.