see more

FARNBOROUGH, ENGLAND - JULY 11: British Prime Minister David Cameron gives a speech at the Farnborough International Airshow on July 11, 2016 in Farnborough, United Kingdom.Mr Cameron announced today that the UK government will buy nine new marine patrol planes from Boeing in a worth £3bn. (Photo by Peter Nicholls - WPA Pool /Getty Images)

FARNBOROUGH, ENGLAND - JULY 11: British Prime Minister David Cameron gives a speech at the Farnborough International Airshow on July 11, 2016 in Farnborough, United Kingdom.Mr Cameron announced today that the UK government will buy nine new marine patrol planes from Boeing in a worth £3bn. (Photo by Peter Nicholls - WPA Pool /Getty Images)