Yep, they should be able to shoot back, right at Hezbollah and the rest of the Arab terrorists. But truth is they just mostly sit on their A**s and look pretty. Useless is the right word for any UN force, especially if they have a job to do that involves doing anything against Arabs and their terror systems.
U.S. Defense Secretary Carter: Russia escalating Syria war by targeting moderates (Reuters)
from the article: Livni: Int'l community must bolster UNIFIL 'as quickly as possible'