Complex sentence: An aerial attack on 14 June 1942, during Operation Harpoon, proved to be the ship's final combat of the war and for the remainder of the conflict, "Liverpool" underwent repairs and refitting at Rosyth, Scotland.
Split into simpler sentences: An aerial attack on 14 June 1942, during Operation Harpoon, proved to be the ship's final combat of the war. For the remainder of the conflict, "Liverpool" underwent repairs and refitting at Rosyth, Scotland.