Complex sentence: The Company supported the U.S. Army School of the Americas during its tactical exercises at Fort Sherman and the Pina Training area as well as supporting the 3rd Battalion 7th Special Forces Group (Airborne), whose home Fort Gulick was.
Split into simpler sentences: The Company supported the U.S. Army School of the America's during its tactical exercises at Fort Sherman and the Pina Training area. As well as supporting the 3rd Battalion 7th Special Forces Group (Airborne) whose home Fort Gulick was.