Drinking a bowl of seawater followed by a glass of champagne, four French officers stood out during the traditional "baptism" to mark their inaugural submarine patrol: the first women to join a crew in the country's nuclear-powered fleet.
"I'm proud to have become part of the submarine family," said Harmonie, a 27-year-old security specialist on Le Vigilant, after returning from her first 10-week mission on the sub.
"I'm ready to go out again," she added.
France has become just the third country to bring women onboard its nuclear-powered subs, which operate much longer and isolated missions than traditional vessels, after the US and Britain.
And officials hope the four women will inspire others to join them.
"The navy needs recruits. Today women make up 15 percent of its ranks, they're an asset for us and we want to keep recruiting them," said Captain Christian Houette, commander of the four nuclear-powered, nuclear-armed subs in France's dissuasion force, based on the Ile Longue peninsula near the western city of Brest.
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The nuclear subs were the last element of the French navy to exclude women, reflecting concerns about the sacrifices required for long missions, as well as difficulties in adapting personnel quarters in such tight spaces.
"Some crew members were a bit reluctant, with questions that were largely practical, they wanted to know if it would disrupt their routines: sleeping quarters, bathrooms..." said Mathieu, second-in-command on the Vigilant.
Like most crew members, he could give only his first name in line with navy rules.
Officials also had to take into account the concerns of sailors' wives, Mathieu added, diplomatically.
"In the end, their integration has been extremely smooth. Having proved their qualifications, these women have earned their place aboard in the same way as any other sailor."