Separately, Britain carried out five joint airstrikes with the US against Houthi sites last year. The US has conducted separate strikes, which are continuing.
Australia, Bahrain, Canada, Denmark, the Netherlands and New Zealand provided non-operational support for the joint strikes.
On March 18, a spokesperson for British Prime Minister Keir Starmer told reporters Starmer and Trump had discussed US strikes against Houthi targets, which Britain had supported with routine air-to-air refuelling.
French warships previously accompanied vessels from French shipper CMA-CGM, but the company stopped its shipments through the Red Sea in February 2024 and in January said it was still not ready to resume those operations because of ongoing security concerns.
(Reporting by Elizabeth Piper and Jonathan Saul in London, John Irish in Paris, Lili Bayer in Brussels and Renee Maltezou in Athens; Writing by Charlie Devereux; Editing by Alex Richardson)