Complex sentence: Just before the end of the war, on 26 October 1918, the Independent Air Force was re-named the Inter-Allied Independent Air Force and comprised British, French, Italian and American squadrons.
Split into simpler sentences: Just before the end of the War, on 26 October 1918, the Independent Air Force was re-designated the Inter-Allied Independent Air Force. This force comprised British, French, Italian and American squadrons.