In the latest development, Canada is all set to buy US-made F-35 fighter jets. The deal was announced on Monday, as the Canadian government has confirmed to purchase 88 F-35 fighter jets from the US-based Lockheed Martin Corp.

Canada inks F-35 deal with US: Everything you need to know about world's only 5th Generation multirole stealth

Switzerland government said on Wednesday that it intends to buy 36 F-35A fighter jets and five Patriot air defence systems from the US in order to protect the "Swiss population from air threats in the future".

Switzerland to order US F-35A fighter jets, Patriot air defence systems

Turkey will not turn back from its deal to buy S-400 missile systems from Russia, President Tayyip Erdogan was quoted as saying on Saturday, a day after an informal deadline Washington set for Ankara to respond to a rival offer passed.

Turkey's Erdogan says no going back from S-400 deal with Russia: Source