Part Two explores what the U.S. military terms Regional Command East the area along the Afghan border with Pakistan.

NPR: Series Overview: The Embattled Frontier

Mr. McDonough completed his visit by meeting with military personnel in Regional Command-East and Regional Command-South, to hear their perspective on the challenges they face as we move forward, including the recent troubling trend of insider attacks and the mitigation steps being taken against them.

WHITEHOUSE: The White House