This month alone, three American soldiers, including Sgt. Eric M. Houck, 25, of Baltimore, were killed and eight others were wounded in attacks by supposedly allied Afghan forces. A massive truck bomb exploded in the capital of Kabul, killing 150 and wounding more than 400. Islamic State forces captured Tora Bora, the mountain fortress that once served as Osama bin Laden's headquarters. Taliban forces are advancing on a number of provincial capitals, and the Afghan government is reportedly helping some splinter factions of that group as they turn on each other.