. "hypersonic glider" . "glide vehicle" . "Hypersonic Glide Vehicles" . . . . "Hypersonic Glide Vehicle" . . . "boost-glide" . "skip-off" . "Boost-glide" . "skip reentry" . . . . . "hypersonic glide vehicles" . . . "hypersonic glide vehicle" . "Boost-glide#Existing or in development" . "hypersonic glide" . . . "Hypersonic glide vehicle" . "Boost-glide" .