The Avangard (Russian: Авангард, Vanguard; previously known as Objekt 4202, Yu-71 and Yu-74) is a Russian hypersonic glide vehicle (HGV) that can be carried as a MIRV payload by the UR-100UTTKh,[7][8] R-36M2 and RS-28 Sarmat heavy ICBMs. It can deliver both nuclear and conventional payloads.[9][10][11]
The Avangard is one of the six new Russian strategic weapons