Yemen's Houthi rebels targeted two U.S. Navy warships with multiple drones and missiles as they were traveling through the Bab el-Mandeb Strait, but the attacks were not successful, the Defense Department said Tuesday.

The attack on the ships was the latest in months of violence in the region by the Yemen rebels, who are backed by Iran and have targeted commercial shipping as well as the U.S. naval forces deployed to the region.

A multiple-missile attack by Yemen's Houthi rebels on two US warships has been thwarted, the Pentagon has said. At least eight drones, five anti-ship ballistic missiles and three anti-ship cruise missiles were aimed at the USS Stockdale and the USS Spruance on Monday.