Complex sentence: On June 16,2017, the 48th Infantry's 2nd Battalion was reactivated in a ceremony at Fort Leonard Wood, Missouri to train BCT and comprised solely of United States Army Reserves Drill Sergeants.
Split into simpler sentences: On June 16,2017, the 48th Infantry's 2nd Battalion was reactivated in a ceremony at Fort Leonard Wood, Missouri to train BCT. It consisted solely of United States Army Reserves Drill Sergeants.