The Navy’s surface fleet has spent the past 15 months taking down hundreds of missiles and drones fired by Yemen’s Iran-backed Houthi rebels at U.S. and allied Navies’ ships, as well as commercial vessels in and around the Red Sea.

U.S. ships are returning to the Red Sea following promises from Yemen’s Houthi rebels to abstain from attacks on American and British vessels. The pledge, which comes after more than a year of shipping traffic disruption on a major international trade route,

The world’s top three container operators said they fear instability in Gaza and broader regional tensions mean continued danger.

British and American ships are tentatively returning to the Red Sea after Yemen’s Houthi rebels vowed to hold off attacks on vessels linked to both nations, a sign that traffic on one of the world’s main trade routes could normalize after more than a year of disruption.

Mandeb strait decreased by 50% after the Yemeni rebels launched maritime attacks, according to the US Energy Information Administration.

CMA CGM, the French container line that has continued to transit the Red Sea despite attacks on shipping, said it will continue to route most of its affected services away from the region.

French shipping and logistics group CMA CGM will continue to avoid the Red Sea even though it considers the region is more stable following the ceasefire agreement between Israel and Hamas, it said on Saturday.

European forces joined the US Navy last year in an effort to defend key shipping lanes from Houthi rebel attacks.

Steven Witkoff, who played an important role in brokering the truce between Israel and Hamas, was expected to meet with Israel’s prime minister and to visit Gaza.

The National Weather Service (NWS) has advised boaters across nine states to stay away from the waters, citing a Gale warning.

The Yemeni rebel group says it will stop targeting vessels that transit the Red Sea.