DOD Announces New Allied Prototyping Initiative Effort with Norway to Continue Partnership in Advancing Solid Fuel Ramjet Technologies
(Source: U.S. Department of Defense; issued April 20, 2020)
Norway and the US will extend their THOR-ER project, which aims to jointly develop and integrate solid fuel ramjet technologies into full-size prototypes that are affordable and can attain high-speeds and extended ranges. (Nammo photo)
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.

The THOR-ER effort aims to cooperatively develop and integrate advancements in solid fuel ramjet technologies into full-size prototypes that are affordable, attain high-speeds, and achieve extended range, culminating in flight demonstrations in operationally relevant conditions. The effort will also consider potential U.S. and Norwegian co-production opportunities.

“This continuation is an important next step in advancing high-speed propulsion technologies with our Norwegian partners,” said Dr. Michael Griffin, Under Secretary for Research and Engineering. “It will drive fielding of the critical technologies needed to ensure U.S. and Allied military superiority in hypersonic systems.”

THOR-ER continues collaborative research efforts involving the U.S. Navy’s Naval Air Warfare Center, Weapons Division China Lake; the Norwegian Defence Research Establishment; and Norwegian industry partner Nammo.

"I am very pleased with the prospects of this initiative. Not only will it provide a game changing capability for our Armed Forces, it also brings bilateral cooperation to a whole new level," said Mr. Morten Tiller, Norwegian National Armaments Director. "The THOR-ER development incorporates the results of long-term R&D on missile and rocket technology in Norway. In my opinion this merger of US and Norwegian R&D efforts and engineering skills strengthens alliance innovation, in addition it represents an opportunity for closer defence industrial base cooperation".

"Nammo's new propulsion solutions are closing the range gap between the US and its future potential adversaries. Our involvement in THOR-ER allows us to bring together the best of US and Norwegian propulsion technology through the framework of a bilateral US-Norwegian partnership, and this fits perfectly with our long-term ambitions," said Morten Brandtzæg, President and CEO of Nammo Group.

The Allied Prototyping Initiative, launched in 2019 by the Office of the Under Secretary of Defense for Research and Engineering through its Advanced Capabilities directorate, leverages new and existing frameworks for international cooperation in research and development, so that the U.S. and its closest Allies can co-develop prototypes to bolster their military superiority. The goal of the API is to rapidly co-develop high-impact, game-changing, large-scale operational prototypes and to explore opportunities to energize the industrial bases within the U.S. and its closest Allies.

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