10 Aug 2022, 09:50 UTC · By: Daniel Patrascu / Boeing and Nordic Ammunition Company continue to fine tune the Ramjet 155 artillery round, latest test involved engine ignition and stable flight
13 May 2022, 12:06 UTC · By: Daniel Patrascu / American company Boeing and Norwegian/Finnish company Nammo working on new way to power artillery rounds, by means of a ramjet engine
3 Oct 2021, 09:26 UTC · By: Daniel Patrascu / The Nord 1500 Griffon is a weirdly-shaped supersonic airplane developed in the 1950s in France, never went past prototype stage