By Yaakov Katz APRIL 20, 2017 A Hezbollah member drives a 4-wheel motorbike mounted with a mock rocket in southern Lebanon in 2015. (photo credit:REUTERS) (see link below to see the photo) In Military Intelligence they call it “Fire-b y-Six,” a reference to the dramatic transformation of Hezbollah’s rocket and missile arsenal in the 10 years that have passed since the Second…