Complex sentence: These soldiers were required to be 27 years old or younger, intelligent, healthy and strong and their assault units were given a one month assault course, better rations, and a badge embroidered with a hand grenade.
Split into simpler sentences: These soldiers were required to be 27 years old or younger, intelligent, healthy and strong. Each assault unit was given a one month assault course, better rations, and a badge embroidered with a hand grenade.