Rusă Yu-71 Avionul Hipersonic Atac (HAA) / „Nuke Glider” și Yu-74 Ultra-Maneuverable Hipersonic Glide Vehicule (HGV) Amenințări atac nuclear: Putem apăra împotriva lor?(Russian Yu-71 Hypersonic Attack Aircraft(HAA)/’Nuke Glider’ and Yu-74 Ultra-Maneuverable Hypersonic Glide Vehicle (HGV) Nuclear Attack Threats :Can We Defend Against Them?)