The Pentagon founded a global F-35 fighter fleet after one of the planes crashed for the first time.
The planes, which are the most expensive ever made, remove and replace the fuel pipes  Britain has 16 F-35B jets and has undertaken to buy 138 in total .
Unit costs vary, but aircraft cost about $ 100 million (£ 76.6 million) each.  A spokesperson for the Ministry of Defense said: "Security is our main concern, so the United Kingdom has decided to suspend some F-35 flights as a precautionary measure while we consider the results of an ongoing investigation.
"F-35 flight tests from the aircraft carrier, HMS Queen Elizabeth, are continuing and the program remains on schedule to provide our armed forces with a revolutionary capability. "[1 9659003] A Marine Corps F-35B was completely destroyed in an accident during training in South Carolina on September 28.
That crash came the day after the F-35 It was used for the first time in combat – when Marine The body fighters hit Taliban targets in Afghanistan
Joe DellaVedova, a spokesman for the F-35 program, said: "The action to perform Inspection is guided by the initial data of the ongoing investigations on F-35B that crashed near Beaufort, South Carolina. "
Mr. DellaVedova added that if the" known "pipes are already installed, then those aircraft will return to operational status
She said inspections should be completed within the next 24-48 hours.
Mr DellaVedova added: "The main goal following any mishap is the prevention of future accidents.
" We will take every measure to ensure safe operations while we deliver, support and modernize the F-35 for the warfighter and our defense partners. "
The F-35 program is considered the most expensive weapons system in the history of the United States.
It cost 400 billion dollars and had the goal of producing 2,500 airplanes in the next years.
Mr. DellaVedova said: "The primary goal after every mishap is the prevention of future accidents.
"We will take every measure to ensure safe operations while delivering, supporting and modernizing the F-35 for the warrior and our defense partners."
When planes landed in Britain for the first time in Britain, Defense Secretary Gavin Williamson said: "These formidable fighters are a national declaration of our intent to protect ourselves and our allies from the intensification of threats all over the world. "
The F-35 program has been hit by numerous delays, cost overruns and shutdowns, including a mysterious 2014 fire that also brought commanders to ground temporarily. l & # 39; air.