Complex sentence: This marked the end of the three Ranger battalions, the remaining 400 Rangers would be scattered around the 504th Parachute Infantry Regiment, and the 137 original Rangers would be sent home.
Split into simpler sentences: This marked the end of the three Ranger battalions. The remaining 400 Rangers would be scattered around the 504th Parachute Infantry Regiment, and the 137 original Rangers would be sent home.