Emirati officials visit an Airbus A-380 decorated with an image of the late Sheikh Zayed bin Sultan Al Nahyan, during the opening day of the Dubai Air Show, United Arab Emirates, Sunday, Nov. 12, 2017. The biennial Dubai Air Show opened Sunday with hometown long-haul carrier Emirates making a $15.1 billion buy of American-made Boeing 787-10 Dreamliners, as the world's biggest defense companies promoted their weapons amid heightened tensions between Saudi Arabia and Iran. (AP Photo/Kamran Jebreili)