Capt. Gonzalo Febre from the Carabineros de Chile Special Operations Unit takes notes during an exercise at the Arizona Air National Guard’s 162nd Wing located at the Tucson International Airport. Security experts from the 162nd teamed up with 12th Air Force (Air Forces Southern), Davis-Monthan Air Force Base Explosive Ordinance Disposal, AF Office of Special Investigations and local agencies to participate in a Subject Matter Expert Exchange with partner nation counterparts.