July 16 (UPI) -- The discovery of drugs on Chilean military bases and vehicles in early July has raised alarms about possible infiltration of drug trafficking networks into the country's armed forces. Authorities found a shipment of narcotics hidden at a military base in Colchane, near the Bolivian border, followed days later by a suitcase containing ketamine aboard an Air Force plane. The incidents have prompted closed-door Senate sessions and demands for answers from military leaders. The