The USA identifies ISIS&#x2F;ISIL as a terrorist group [0]. There is a good chance that you will at-least be detained for questioning if you carry out said activity.<p>[0] - <a href="https:&#x2F;&#x2F;www.whitehouse.gov&#x2F;the-press-office&#x2F;2015&#x2F;07&#x2F;06&#x2F;remarks-president-progress-fight-against-isil" rel="nofollow">https:&#x2F;&#x2F;www.whitehouse.gov&#x2F;the-press-office&#x2F;2015&#x2F;07&#x2F;06&#x2F;remar...</a>