ISIS takes key military air base in Syria
- Syria has been in a civil war since 2011.
- ISIS has grown rapidly in the chaos.
- ISIS has conquered large regions of northern Syria and Iraq.
- On Monday, ISIS took over an important military air base.
- Syria moved its military planes before ISIS took over.
- Syria says it is now ready for support from the U.N. and U.S.
- ISIS also controls oil fields, large cities, and lots of weapons.