bleeding on the ground. and good evening, thanks for joining us on this saturday. i'm tom llamas. and tonight, president trump is calling the military action he ordered on syria a perfectly executed strike. it was a powerful show of force. more than one hundred missiles launched from ships and planes, the u.s., france and the uk all taking part. syria taking defensive action. this image of one of its surface to air missiles streaking over the damascus skyline. but the u.s. claims every missile hit its mark. crippling syria's chemical weapons program. tonight, a new warning from the u.s., if syria attempts another chemical attack on its own people. abc's chief global affairs correspondent martha raddatz starts us off. >> reporter: a dramatic barrage, designed to send an unmistakable message. the u.s., britain, france, unleashing more than a hundred