The U.S. Department of Defense and the Norwegian Ministry of Defence announced their intent to continue a bilateral effort to explore advanced solid fuel ramjet technologies. The Tactical High-speed Offensive Ramjet for Extended Range, or THOR-ER, is an Allied Prototyping Initiative (API) effort under the Directorate for Advanced Capabilities within the Office of the Under Secretary of Defense for Research and Engineering.
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| Nammo unveiled its new ramjet powered missile concept in September 2019 at DSEi (Picture source: Nammo) |
