In this photo taken from video distributed by Russian Defense Ministry Press Service, a new Zircon hypersonic cruise missile is launched by the frigate Admiral Gorshkov of the Russian navy from the White Sea, in the north of Russia, Russia, Monday, July 19, 2021. (Russian Defense Ministry Press Service via AP)
Probably sparked by the use of hypersonic missiles in the Russian-Ukraine War the US Congressional Research Service has released a primer on these weapons. It can be read here.
