Three US Navy sailors were killed after a gunman [ Mohammed Alshamrani, a 21-year-old second lieutenant in the Royal Saudi Air Force ] opened fire at Pensacola US Navy base in Florida, US Navy officials said. December 6, 2019.

Three US Navy sailors were killed after a gunman [ Mohammed Alshamrani, a 21-year-old second lieutenant in the Royal Saudi Air Force ] opened fire at Pensacola US Navy base in Florida, US Navy officials said. December 6, 2019.