Joseph Biden actually said...

We are, also, keeping a close watch on any potential terrorist threat at or around the airport, including from the ISIS affiliates in Afghan...

This mission was extraordinarily dangerous, and why I have been so determined to limit the duration of this mission.

We will respond with force and precision at our time at the place we choose and the moment of our choosing.

I`ve instructed the military, whatever they need, if they need additional force, I will grant it.