a full contingent of the expeditionary unit would be 220 omareens. this is a detachment. centcom is not giving a lot of details for security. this could be a rotation of troops going there to support or replace some of these just under 4,000 who are now in the country primarily in an advisory role training iraqi troops we knew they lost one of their forces in northern attack and we do know that there is take about retaking moss ill in iraq in the near future which would conceivably require more ground troops. at this stage, we are only speculating, but the timing of this announcement is interesting coming after the death of the marine on friday and amid talk of further operations to retake mosul thank you very much indeed for the update the iraqi army is trying to retake heat in what was considered one of the most vicious massacres since the group's expansion. sooni tribal forces have been able to push back fighters in anbar. they killed more than 200 execution style on the day they took heat. >> military sources say at least 24 iraqi soles have been killed by isil in two