Complex sentence: Bean 1941, p.228 The third wave was the 1st New Zealand Brigade with the 4th Australian Brigade landing last, only after the second division had landed would the corps advance to Mal Tepe.
Split into simpler sentences: Bean 1941, p.228 The third wave was the 1st New Zealand Brigade with the 4th Australian Brigade landing last. Only after the second division had landed would the corps advance to Mal Tepe.