The sound of tanks on the Chonsalise in France's traditional Bastide military parade a couple of weeks ago.

The evening before, President Macron said this.

Although we had planned to double our defence budget by 2030, we are going to double it by 2027.

Welcome to Business Daily from the BBC World Service with me John Lawrence. Today we're in France.

One of a number of European countries ramping up arms production where the president says he's creating a war economy.

We are increasing massively the production rates of equipment that we put on the raffle aircraft.

We have multiplied our production of radars by three, and what we do for rockets, we have multiplied

by five.

Faced with a boulder, a more aggressive Russia and increased uncertainty about US commitment

to European defence.

France is increasing defence spending, upping arms and munitions output, speeding up development

and production times, switching civilian factories to arms production and concentrating

military manufacture in France itself.

That's France's war economy coming up in business daily.

In a factory in Normandy, in the north of France,

a worker called Celine appears into a microscope.

I'm controlling visually visually all my components one by one to see exactly where everything's been

set and check the quality of my soldering.

If there is a component that's not quite set right, it's me who replaces it.

To get in here and see what Celine and her colleagues are doing,

I've had to pass through some space age security, which is understandable.

This factory makes printed circuit boards for the fighter planes used by the French

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