If I could make one recommendation to GEN Allen it would be to consider establishing a SOF-led command that could integrate the entire special warfare and surgical strike efforts. Since it appears that special operations are going to provide the bulk of the ground advisory forces and the effort in Syria is likely to be one of unconventional warfare this might be a good time to employ SOF operational art that balances special warfare and surgical strike in order to orchestrate the entire SOF effort on the ground. I would recommend this so as not to become overly fixated on the counterterrorism effort and better employ the capabilities across the entire spectrum of SOF. Interestingly I learned this summer that the old US Army Special Forces Command has be reorganized and re-designated as the 1st Special Forces Command and now consists of not only Special Forces but also Civil Affairs and Psychological Operations forces. But most importantly it has developed a cadre of campaign planners to support the Theater Special Operations Commands. These campaign support teams and the operational division equivalent headquarters might be well suited for orchestrating the campaign in Iraq and Syria (especially in Syria since it appears to be an unconventional warfare heavy operation). If I were GEN Allen I would ask for this capability.
Although some might say that it is not a tested HQ, I would be willing to bet that it would be superior to any ad hoc HQ we are putting together. And I would say that this mission is not an appropriate one for JSOC, even if some special mission units may be employed. The diversity of the special warfare requirements go beyond JSOC and its superior hyper-conventional killing capabilities.