Mr Hammond and Mr Le Drian visited French aircraft carrier the Charles de Gaulle, then were briefed by officers at HMS Bulwark.
Mr Hammond said the exercise was symbolic of the promise made in 2010.
It's a real, concrete delivery of that collaboration in the form of an enhanced military capability that gives our two countries additional force, additional capabilities to project military power in support of our national policies and international obligations.
More top news
The singer had been tweeting in support of migrants when she was bombarded with abusive messages.
Ministers are reportedly considering plans in a bid to lower inward migration.
In a tweet on Saturday, the US president didn't give a reason for his absence but said he wished"everyone well and have a great evening".