Complex sentence: On 23 March, he was made acting temporary lieutenant colonel, and took of command of 45 Commando, leading them over the rivers Maas, Rhine, Weser, Aller and Elb.
Split into simpler sentences: On 23 March, he was made acting temporary lieutenant colonel, and took over command of 45 Commando. He lead them over the rivers Maas, Rhine, Weser, Aller and Elb.