Imma tell you a truth. As a Saudi citizen SA ne taqat ke nashe mein houthis se panga le betha lekin ab mou ki kha raha hai. Har month 3 ya 4 missile strike attempts.
Nope its of new type. Engineers of China and Pakistan and some disclosed have been seen. They made some large labs. Some classified places are even forbidden for their own locals to visit. My father says that it had taken much more speed in last 3 years.
Sir I am going to tell you a fact My father have worked in MOI Saudi Arabia and he told me that Ballistic equipment from China and Pakistan have arrived atleast 5-6 year ago