Americans hoping to visit Israel are out of luck.<br/> <br />Delta and US Airways canceled flights to Ben Gurion airport in Tel Aviv on Tuesday.<br/> <br />Both airlines cited U.S. Federal Aviation Association concerns about safety.<br/> <br />The decision comes as Hamas fired more rockets into Israel -- with one hitting the outskirts of the airport -- injuring two people.<br/> <br />It isn't clear at this point how long the travel ban will last.
