Enforcing a no fly zone there means going against the Russian AF. Even if that did not start a real full scale war, our fighters are very old and worn out - they would be up against newly made Russian fighters.
No matter the pilot skill and advanced weapons, worn out aircraft are at a major disadvantage against newly made planes such as the ones Russia has fielded or would field.
See here for the state of F-15s in current operation http://www.freerepublic.com/focus/f-news/3460920/posts
Air Force Begins Massive High-Tech F-15 Upgrade to Stay in Front of Chinese J-10 (by 2032 ...) USAF will be ready for China’s obsolete fighters in 16 years ...
PS: China’s J-20 (F-22 knock off will be operational next year and combat ready by 2019
http://defense-update.com/20160723_j_20.html)
I didn’t know all this. What a shame. How pathetic obama has made us.
Worked well with the Kurds in Iraq for many years.