Boeing, together with Norway's Nammo, is developing a long-range ramjet-powered 155mm shell for the US Army. Boeing has offered the best look to date of its 155mm artillery shell with a ramjet engine ...
The U.S. Army has renewed interest in new longer-range artillery shells, such as ramjet-powered types, following its axing of plans to buy a next-generation tracked self-propelled 155mm howitzer ...