In the wake of the U.S. Navy's sinking of three Houthi-aligned ships in the Red Sea, Iran has sent warships into the region. The move has sparked a new round of tensions in the strategically important waterway.

International mariners have reported that GPS signals are often lost in the Gulf of Aqaba, a strategic chokepoint in the Red Sea. This has caused concern for crews, who worry about their safety and security. Some vessels have even been called by radio from Yemen, demanding to be boarded.