US Navy Arleigh Burke-class guided missile destroyers USS Ramage and USS Gonzalez transiting the Strait of Bab Al Mandeb on February 13, 2016 in the Arabian Gulf. US navy photo/Alamy Stock Photo
US Navy Arleigh Burke-class guided missile destroyers USS Ramage and USS Gonzalez transiting the Strait of Bab Al Mandeb on February 13, 2016 in the Arabian Gulf. US navy photo/Alamy Stock Photo

Yemen war threatens to spill into international arena as maritime risks grow