Complex sentence: In 1967, the 39th Infantry Division was reorganized to become the 39th Infantry Brigade (Separate) with headquarters in Little Rock, Arkansas and consisting entirely of troops from the Arkansas Army National Guard.
Split into simpler sentences: In 1967, the 39th Infantry Division was reorganized to become the 39th Infantry Brigade (Separate). Its headquarters was in Little Rock, Arkansas and the unit consisted entirely of troops from the Arkansas Army National Guard.