France's Strategic Carrier Initiative
Project announced in December, cost 10 billion euros, replacing Charles de Gaulle.
Construction starts in Saint-Nazaire in 2031.
Ship weighs 80,000 tonnes, supports 2,000 crew and 30 fighters, enters service in 2038.
Macron mentioned mission to reopen Strait of Hormuz but action postponed until hostilities cool.
Macron said France must be strong to be feared.
Program preserves France's nuclear-powered carrier capability.
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