The DF-17 is the first hypersonic glide vehicle-equipped missile intended for operational deployment ever tested. China carried out the first flight-tests of a new kind of ballistic missile with a hypersonic glide vehicle (HGV) in November, 2017.
Our Defense and Intelligence agencies won't admit it and are using the UFO ruse as a cover story. This is not unlike our overflights of hostile countries with the SR-71. They had no clue what was flying over them.
Just my theory.
“Our Defense and Intelligence agencies won’t admit it and are using the UFO ruse as a cover story.”
Not a bad theory. Don’t want to scare the peasants with the truth.