EditorialFILE PHOTO: A decal stating "This Aircraft Flies On Renewable Fuel" is seen on on a Gulfstream 650ER business jet at the National Business Aviation Association (NBAA) exhibition in Las Vegas
EditorialFILE PHOTO: FILE PHOTO: A Chinese Shenyang J-15 fighter aircraft flies near China's Shandong aircraft carrier, over Pacific Ocean waters, south of Okinawa prefecture
EditorialFILE PHOTO: FILE PHOTO: Smoke rises from burning aircraft inside Khartoum Airport during clashes between the paramilitary Rapid Support Forces and the army in Khartoum
EditorialFILE PHOTO: FILE PHOTO: Mount Everest, the world highest peak, and other peaks of the Himalayan range are seen through an aircraft window during a mountain flight from Kathmandu
EditorialFILE PHOTO: Men look at KC-390 aircraft as they visit the Embraer's exhibition stand during LAAD, the biggest military industry expo in Latin America in Rio de Janeiro
EditorialFILE PHOTO: Customers dine near a giant screen broadcasting news footage of the Eastern Theatre Command of PLA taking part in an exercises around Taiwan, at a restaurant in Beijing