Complex sentence: Bader married Martin Ginsburg a month after her graduation from Cornell and followed her new husband to Fort Sill, Oklahoma where he was stationed as a Reserve Officers' Training Corps (ROTC) officer in the Army Reserve after he was called up for active duty.
Split into simpler sentences: Bader married Martin Ginsburg a month after her graduation from Cornell. She followed her new husband to Fort Sill, Oklahoma, where he was stationed as a Reserve Officers' Training Corps (ROTC) officer in the Army Reserve following his call-up for active duty.