Aerospace firms are setting out wares from luxury jets to lethal drones at back-to-back British air shows this week, hoping trade tensions will not deter airlines from buying jetliners even as geopolitical uncertainty allows them to sell more weapons.

The quintessentially English atmosphere of the Royal International Air Tattoo, where straw-hatted VIPs watch fighters thunder over picturesque Cotswolds villages, gives way on Monday to the Farnborough Airshow, where the hard-nose business deals in the $800 billion aerospace and defense sector will be done.

Trade tensions between the United States and both China and Europe, disputes over the consequences of Britain's exit from the European Union and an increase in global protectionist rhetoric have barely dented a prolonged industry boom.