Bolivian Army Commander-in-CHIEF, Major General (MGEN) Juan Hurtado Rosales, and his aid Bolivian Army Colonel (COL) Gustavo Gandarillas Vargas observe a demonstration of the Multipurpose Arcade Combat Simulator (CACS) marksmanship trainer, by US Army soldiers, during MGEN Rosaless visit to Fort Buchanan, Puerto Rico. Explaining the use of the Simulator is First Sergeant (1SG) Vega, US Army, 56th Signal Battalion