US fires missiles at Syrian base

U.S. Navy guided-missile destroyer USS Porter (DDG 78) conducts strike operations while in the Mediterranean Sea which U.S. Defense Department said was a part of cruise missile strike against Syria  on April 7, 2017.  (Ford Williams/Courtesy U.S. Navy/Handout via REUTERS )

(DigitalGlobe/Courtesy U.S. Department of Defense/Handout via REUTERS )

A combination image released by the U.S. Department of Defense said to show the impact crater associated with the April 4 chemical weapons attack. (Courtesy U.S. DoD/Handout via REUTERS )

U.S. Navy guided-missile destroyer USS Porter (DDG 78) conducts strike operations while in the Mediterranean Sea which U.S. Defense Department said was a part of cruise missile strike against Syria  on April 7, 2017.  (Ford Williams/Courtesy U.S. Navy/Handout via REUTERS )

(Robert S. Price/Courtesy U.S. Navy/Handout via REUTERS )