DefenceTalkWorld powers are vying to develop so-called “hypersonic” weapons that travel several times the speed of sound, with France the latest to join a field led so far by Russia and China. Hypersonics are like missiles that travel at over five times the speed of sound (Mach 5) but are able to manoeuvre in mid-flight, […]https://www.defencetalk.com/race-for-hypersonic-weapons-heats-up-as-france-joins-fray-72093/