magine an enemy deciding to attack from 1,000 miles away. Now, imagine you have less than 15 minutes to react and may not even see their missile coming in the first place. This is the potential threat posed by so-called “hypersonic weapons,” which can fly as fast as a mile a second and low enough to evade many existing defenses.
Though there is much attention given to the expanding threat of ballistic missiles, especially from countries such as Iran and North Korea, American military officials are increasingly concerned about hypersonic weapons. Though the basic concept isn’t by any means new, technological advancements have made the notion of gliders and air-breathing vehicles flying at Mach 5 or faster significantly viable, with the United States, Russia, and China all actively experimenting with such designs.
more http://www.thedrive.com/the-war-zone/11177/heres-how-hypersonic-weapons-could-completely-change-the-face-of-warfare
Boost-glide - Wikipedia
https://en.wikipedia.org/wiki/Boost-glide
Boost-glide trajectories are a class of spacecraft guidance and reentry trajectories that extend ... the A-9/A-10 intercontinental missile, which would glide from a point over the Atlantic with just enough range to bomb New York before the pilot bailed out. ... Russia in March 2018 unveiled hypersonic glide vehicle Avangard.Glide bomb - Wikipedia
https://en.wikipedia.org/wiki/Glide_bomb
A glide bomb or stand-off bomb is a standoff weapon with flight control surfaces to give it a flatter, gliding flight path than that of a conventional bomb without ...NATIONAL
The Defense Ministry is developing the bombs to strengthen the defense of remote islands, including the Japan-controlled Senkakus, which are claimed by China.
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