Complex sentence: The first No.10 Commando was proposed in August 1940, using volunteers from Northern Command, however there was such a poor response that No.10 Commando was disbanded and the men that had volunteered were posted to other commando units.
Split into simpler sentences: The first No.10 Commando was proposed in August 1940, using volunteers from Northern Command. However there was such a poor response that No.10 Commando was disbanded and the men that had volunteered were posted to other commando units.