Senior Master Sgt. Mike Arellano from the 149th Fighter Wing, Texas Air National Guard, gives a Chilean girl a gift and a smaile during a visit the children’s ward at the Leonardo Guzman Regional Hospital, Antofagasta, Chile, Oct. 11. Salitre is a Chilean-led exercise where the U.S., Chile, Brazil, Argentina and Uruguay, focus on increasing interoperability between allied nations. (Air National Guard photo by Senior Master Sgt. Elizabeth Gilbert/released)