- The missions can be dangerous
- Three Americans have been killed recently
(CNN)The first wave of 250 additional U.S. special operations forces have started arriving in northern Syria to help train and assist local Syrian Democratic Forces as they battle ISIS, CNN has learned.
- Either sending in tens of thousands of combat forces, along the lines of the U.S. operations in Iraq and Afghanistan, although there is now a limited appetite for another large conflict.
- Or conducting mostly hands-off warfare like drone strikes against groups in Yemen and Somalia -- with limited effectiveness due to little influence on the ground.