USS Portland destroys floating target in the Gulf of Aden with system that could be used to counter bomb-laden drone boats deployed by Yemen's Houthi rebels in the Red Sea

United Arab Emirates believed behind construction of site on Mayun Island in the Bab el-Mandeb Strait, a strategic chokepoint connecting Red Sea to Gulf of Aden

Top military official says domestically built Sahand will escort Iranian vessels around Arabian Peninsula as unrest in strategic waterways continues