Turkish President Recep Tayyip Erdogan previously had said the S-400s would be activated in April but the coronavirus pandemic has focused Turkish efforts on combating the outbreak.
Exception PCB, based in England, creates circuit boards that "control many of F-35's core capabilities," broadcaster Sky News reports. UK's defence ministry says there are "no risks associated with their product in the F-35 aircraft supply chain".
"China can and should have a cooperative relationship with the rest of the region," US Acting Defence Secretary Patrick Shanahan said at the Shangri-La Dialogue in Singapore.
Chancellor Angela Merkel's coalition government imposed restrictions on arms sales to Saudi Arabia last year due to Riyadh's role in Yemen war and the killing of Saudi journalist Jamal Khashoggi.
Israel's latest operation has led to rumours of another war, but outside of rhetoric, it doesn't look like either side is ready to stomach such a conflict.
The names chosen include 'Peresvet,' after a medieval warrior monk, for a laser and 'Burevestnik,' after a seabird, for a cruise missile.
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