Boeing and Airbus will show off rival aircraft at the Farnborough International Airshow, while vying for orders to supply passenger planes over the coming decades.
Boeing will present the new 787-9 Dreamliner passenger aircraft, along with the P-8A, a military derivative of the Boeing 737-800.
Airbus will display the world's largest passenger plane, the A380 superjumbo, as well as the extra-wide bodied A350 XWB.
There will also be an announcement at Farnborough this week of a list of eight possible locations across the UK for the first British spaceport, which is hoped to be opened by 2018.
More top news
London mayor Boris Johnson is backing Olympics supremo Seb Coe as his replacement.
A top Fifa official who assessed rival bids to stage the 2018 and 2022 World Cups revealed England’s was by far the strongest contender.
A hacker group who claimed to be behind a cyber attack on Sony Pictures have posted a message online apparently mocking the FBI.