Complex sentence: He moved with his family to Leeds in 1940 and in 1943 joined the RAF for training as aircrew, for the remainder of the war, Silver served operationally in Europe and the Far East.
Split into simpler sentences: He moved with his family to Leeds in 1940 and in 1943 joined the RAF for training as aircrew. For the rest of the war, Silver served operationally in Europe and the Far East.