power vacuum left behind, how is central command postured to prevent terrorist organizations from gaining strength in the region? >> senator, probably details would be best left to the classified session later this afternoon. i will tell you that i have today headquarters that has ability to look into afghanistan, albeit limitd and with ability to fuse intelligence to look at isis-k and al qaeda, we are refining that, best practices on that, we have a way forward. i've told the committee before, it is very hard to do this, it is not impossible to do this. >> looking forward to seeing those details in the closed hearing. are you confident, confident that we can defy organizations like al qaeda and isis ability to use afghanistan as launch pad for terrorist activity? >> i think that is yet to be seen. i think we're still seeing how