Transcript for 82nd Airborne makes its way to Middle East
top, the U.S. Military on the top tonight. Six b-52 bombers are reportedly being relocated to the Indian ocean tonight. And the first of nearly 4,000 new troops have already arrived in the Middle East. And another troubling development tonight. The U.S. And nato this evening now saying they are halting the fight against ISIS for now to protect themselves. ABC's senior foreign correspondent Ian Pannell from inside Iraq tonight. Reporter: Tonight, the faces of the young American servicemen and women now landing in Kuwait. 3,500 from the 82nd airborne. Part of a rapid deployment in the growing crisis with Iran. This coming despite the president's pledges to draw down from the region. The plan is to get out of endless wars, to bring our soldiers back home. Reporter: The Iraqi parliament, angry at the killing of soleimani on their soil, voting to kick U.S. Troops out of the country. It's nonbinding, but shows how high tensions are. The president's hit back, after repeatedly sanctioning Iran, he's now threatening to sanction the Iraqis, too, saying, "If they do ask us to leave, if we don't do it in a very friendly basis, we will charge them sanctions like they've never seen before." And now, more fallout from the say says nation. America putting the fight against ISIS on hold so they can protect their own forces and bases instead. David, traveling to the Iraqi desert just months ago, miles from the Syrian border, to see the ISIS threat. I took note you could hear the pilots talking about vehicles off in the distance, completely aware of really every isolated scene on the way out. Yeah, just a reminder that ISIS is still out there. Reporter: Tonight, anxious family members like 23-year-old justice Palko's cousin, boarried for other members of his family. Extremely difficult for the family, but extremely difficult for his new wife and his mom. And so, let's get to Ian Pannell with us from Iraq tonight. With U.S. Troops pausing that battle against ISIS you speak of, I know there's real concern about leaving ISIS fighter nous unwatched, not monitored in this very volatile region. Reporter: Yeah, I think that's right. This is a highly dangerous moment. If those extremists go on the offensive, the men like these ISIS prisoners in northeast Syria who said they'll attack, now with American and nato trooping standing to one side, there is only Iraqi troops stand income their way. The last time that's happened, the caliphate emerged. David? E Yan, thank you. And at the white house this
This transcript has been automatically generated and may not be 100% accurate.