Missing Weapons of Destructiion

Where do we go from here? The US Defense Department says it can't track $500 million worth of weapons given to Yemen, while Al Qaeda and Iranian-backed groups fight to control that country, following its collapse and during US support. Yeman is soon turning into NOMEN as far as the US military is concerned.
BBC News - Yemen crisis: Who is fighting whom? http://www.bbc.com/news/world-middle-east-29319423
The number of US enemies continues to grow. In Yemen, Houthis, ISIS and Al Qaeda are the worse of all eveils and gunning for Americans.