Complex sentence: He graduated from Pennsylvania State University with a bachelor's degree in Theater Arts, served in the United States Navy as an intelligence officer on active duty in Panama and later in the reserve, attaining the rank of Lieutenant Commander.
Split into simpler sentences: He graduated from Pennsylvania State University with a bachelor's degree in Theater Arts. After college, he served in the United States Navy as an intelligence officer on active duty in Panama and later in the reserve, attaining the rank of Lieutenant Commander.