A horrific friendly fire incident saw two US Navy pilots show down over the Red Sea yesterday. The US military announced the tragedy, which is the most serious incident that has threatened troops in more than a year of the US targeting the Houthi rebels in Yemen . Both aviators were recovered alive after ejecting from their stricken two-seat F/A-18 aircraft, with one suffering minor injuries. But the shoot down underlines just how dangerous the Red Sea corridor has become, with ongoing attacks