Complex sentence: In early 1941 one Royal Armoured Corps squadron used in overseas amphibious operations was equipped with Tetrarchs, and in May 1942 a few joined the British force invading Madagascar.
Split into simpler sentences: In early 1941 one Royal Armoured Corps squadron used in overseas amphibious operations was equipped with Tetrarchs. In May 1942 a few Tetrarchs joined the British force invading Madagascar.