Visitors view a vehicle showcased during the 18th Air and Space International Fair (FIDAE, for its acronym in spanish), at Arturo Merino Benitez International Airport facilities, in Santiago, capital of Chile, on March 25, 2014. The FIDAE is held from March 25 to 29, with over 500 exhibitors from 43 countries, showing their products, services and flight exhibitions during the fair that has become the most important aeronautical and defense systems gala in Latin America. (Xinhua/Jorge Villegas)

Aircraft participate in an aircraft exhibition during the 18th Air and Space International Fair (FIDAE, for its acronym in spanish), at Arturo Merino Benitez International Airport facilities, in Santiago, capital of Chile, on March 25, 2014. The FIDAE is held from March 25 to 29, with over 500 exhibitors from 43 countries, showing their products, services and flight exhibitions during the fair that has become the most important aeronautical and defense systems gala in Latin America. (Xinhua/Jorge Villegas)

Visitors view a manufacture at a stand during the 18th Air and Space International Fair (FIDAE, for its acronym in spanish), at Arturo Merino Benitez International Airport facilities, in Santiago, capital of Chile, on March 25, 2014. The FIDAE is held from March 25 to 29, with over 500 exhibitors from 43 countries, showing their products, services and flight exhibitions during the fair that has become the most important aeronautical and defense systems gala in Latin America. (Xinhua/Jorge Villegas)

A visitor views a weapon at a stand during the 18th Air and Space International Fair (FIDAE, for its acronym in spanish), at Arturo Merino Benitez International Airport facilities, in Santiago, capital of Chile, on March 25, 2014. The FIDAE is held from March 25 to 29, with over 500 exhibitors from 43 countries, showing their products, services and flight exhibitions during the fair that has become the most important aeronautical and defense systems gala in Latin America. (Xinhua/Jorge Villegas)

Chile's President Michelle Bachelet (C) and Chilean Defense Minister Jorge Burgos (4th L) attend the opening of the 18th Air and Space International Fair (FIDAE, for its acronym in spanish), at Arturo Merino Benitez International Airport facilities, in Santiago, capital of Chile, on March 25, 2014. The FIDAE is held from March 25 to 29, with over 500 exhibitors from 43 countries, showing their products, services and flight exhibitions during the fair that has become the most important aeronautical and defense systems gala in Latin America. (Xinhua/Jorge Villegas)

Visitors view manufactures at a stand during the 18th Air and Space International Fair (FIDAE, for its acronym in spanish), at Arturo Merino Benitez International Airport facilities, in Santiago, capital of Chile, on March 25, 2014. The FIDAE is held from March 25 to 29, with over 500 exhibitors from 43 countries, showing their products, services and flight exhibitions during the fair that has become the most important aeronautical and defense systems gala in Latin America. (Xinhua/Jorge Villegas)

A visitor views an artifact at a stand during the 18th Air and Space International Fair (FIDAE, for its acronym in spanish), at Arturo Merino Benitez International Airport facilities, in Santiago, capital of Chile, on March 25, 2014. The FIDAE is held from March 25 to 29, with over 500 exhibitors from 43 countries, showing their products, services and flight exhibitions during the fair that has become the most important aeronautical and defense systems gala in Latin America. (Xinhua/Jorge Villegas)