I'm thinking this is akin to Saddam's taking of hostage prior to Iraq War 1.0.
FGL is right though: if there is a military rescue effort it's pretty much a resumption of general hostilities along with the diplomatic, economic and humanitarian catastrophe that would entail.
We didn't launch an effort like that vs Iraq I don't see it happening here...even with a renegade, unilateralist, militant cowboy like Obama in the WH.