RAF's £150million stealth fighter jet could 'shut down' after overheating fears

The disclosure is another embarrassing setback in the development of what is supposed to be the world’s most sophisticated fighter given that the aircraft is likely to fly most of its combat missions in hot climates. The problem emerged last week at Luke airforce base in the United States where the F-35 Lightning 11 aircraft is being tested. The F-35, the most expensive aircraft ever produced, is designed to use its fuel as a cooling agent.

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