beirut unite state want prevent violence spill syria lebanon give lebanese army 120 million aid boost border security counter-terrorism work u.s. ambassador lebanon say wednesday lebanon get six md 530g light attack helicopters six scan eagle drone communication night vision equipment new program ambassador elizabeth richard say meet lebanese prime minister saad al-hariri unite state give lebanese arm force 1.5 billion assistance past ten years embassy say previously unite state hop strengthen lebanese army stop spread violence border neighbor syria help become sole military force defend country lebanon iran-backed hezbollah group washington regard terrorist organization powerful military force country also fight syria president bashar al-assad lebanon host around 1.5 million syrian refugees lebanese army get 120 million u.s. aid