The Avangard, the Kinzhal and now the Zircon — Russia is leading the race to develop a range of new hypersonic weapons that President Vladimir Putin has dubbed “invincible”. Moscow’s latest step came this week with another successful test of the Zircon, a ship-launched hypersonic missile. Fired from one of Russia’s most powerful warships, the Admiral Gorshkov frigate, a Zircon travelling at seven times the speed of sound flew more than 350 kilometres (over 215 miles)… – NDTV Photo: Russian Ministry of Defence