US may use missiles to attack Syria

As we all know Syria has been fighting a war. Recently they used chemical weapons on the citizens. The US and most other countries Do not approve of this. The US may become involved in this war if they decide to attack Syria. If the US were to attack they would rely on missiles. These missiles would be launched from warships, subs and maybe even warplanes. The US is expecting Syria to start to activate their air defense system once the US begins the attack.