The Pentagon has set aside almost $1 billion next year for six presidential helicopters. They will replace the Marine One Sea Kings that have carried every American president since Dwight D Eisenhower.

After more than a decade of botched planning to replace the most famous helicopter in Washington, President Trump will be the first White House incumbent to fly in the new $170 million aircraft.

The six Sikorsky VH-92As are probably the world’s most expensive helicopter and will cost a total of about $1.2 billion. Under the 2019 defence budget request, $900 million dollars would be allocated to complete the programme next year. The first helicopter will go into operation in 2020.

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