A visitor takes a look at the JF-17 Fighter aircraft during Dubai Air Show in Dubai, UAE November 12, 2017.

Russian Knights, aerobatic demonstration team of the Russian Air Force, perform during the Dubai Air Show in Dubai, UAE November 12, 2017. Reuters/Satish Kumar

Visitors are seen during the Dubai Airshow in Dubai, UAE November 13, 2017.

Al Fursan aerobatic team of the United Arab Emirates Air Force performs during the Dubai Airshow in Dubai, UAE November 13, 2017.

Sheikh Ahmed bin Saeed Al Maktoum (L), CEO & Chairman of Emirates Airline and Kevin Mcallister (R), Executive VP & CEO of Commercial Airplanes Boeing, shake hands during the press conference at Dubai Air Show in Dubai, UAE November 12, 2017.

People watch as the Al Fursan aerobatic team of the United Arab Emirates Air Force perform during the Dubai Airshow in Dubai, UAE November 13, 2017.

Image used for illustrative purpose. Al Fursan aerobatic team of the United Arab Emirates Air Force performs during the Dubai Airshow in Dubai, UAE November 13, 2017.

Sir Tim Clark, President of Emirates Airlines, gestures during a news conference at the Dubai Air Show in Dubai, UAE, November 12, 2017. Image for illustrative purposes.

Dassault's Rafale Fighter jet performs during the Dubai Air Show in Dubai, UAE November 12, 2017.

Al Fursan aerobatic team of the United Arab Emirates Air Force performs during the Dubai Airshow in Dubai, UAE November 13, 2017.

Visitors are seen during the Dubai Airshow in Dubai, UAE November 13, 2017.

Al Fursan aerobatic team of the United Arab Emirates Air Force performs during the Dubai Airshow in Dubai, UAE November 13, 2017.

Visitors take pictures as Al Fursan aerobatic team of the United Arab Emirates Air Force performs during the Dubai Airshow in Dubai, UAE November 13, 2017.

Sheikh Ahmed bin Saeed Al Maktoum (L), CEO & Chairman of Emirates Airline and Kevin Mcallister (R), Executive VP & CEO of Commercial Airplanes Boeing, talk to media during the press conference at Dubai Air Show in Dubai, UAE November 12, 2017.

A visitor takes a photo of an aircraft engine at the Dubai Air Show in Dubai, United Arab Emirates, November 12, 2017.

Sir Tim Clark, President of Emirates Airlines, gestures during a news conference at the Dubai Air Show in Dubai, UAE, November 12, 2017.

President of Bombardier Commercial Aircraft Fred Cromer, speaks during the interview at the Dubai Air Show in Dubai, United Arab Emirates, November 12, 2017.

Russian Knights, aerobatic demonstration team of the Russian Air Force, perform during the Dubai Air Show in Dubai, UAE November 12, 2017.

The U.S. Air Force F-22 fighter jet performs during the Dubai Air Show in Dubai, United Arab Emirates, November 12, 2017.

Officers of the United Arab Emirates Air Force watch as Al Fursan aerobatic team performs during the Dubai Airshow in Dubai, UAE November 13, 2017.