The US is also boosting sea and air and ground defenses in the region to act as a deterrent against a larger regional conflict in the Middle East. Potential flash points include Lebanon, Syria, Iraq, Yemen, Iran, and even Russian may become involved if the situation continues to escalate.

Sources

1. Times of Israel - Report: Israel could preemptively strike Iran if intelligence shows attack is imminent
2. Reuters - U.S. to send more warships, fighter jets to Middle East to bolster defenses
3. The Jerusalem Post - Iran publishes list of 'sensitive' sites in Israel to strike in future war