Complex sentence: The next month he was transferred to Headquarters 302nd Bombardment Group at Clovis, during this period Virginia gave birth to their only child, Robert Ede Carswell who was born at Clovis Army Air Field in September 1943.
Split into simpler sentences: The next month he was transferred to Headquarters 302nd Bombardment Group. During this period Virginia gave birth to their only child, Robert Ede Carswell, at Clovis Army Air Field in September 1943.