Nammo explained that the 155 mm artillery ammunition with ramjet engine, which is being developed, will be ready in 2023 following the completion of IM HE-ER ammunition, which is currently undergoing development work. It is stated that ammunition which is undergoing development tests can reach up to a 100 km range, while a standard 52 or 55 caliber barrel will be made during the first firing. First test shots are planned to 2019-2020. Among the information that HTP3 fuel is preferred for Ramjet motor drive.
211216-N-QI061-1222 NAVAL STATION MAYPORT, Fla. (December 16, 2021) An MQ-4C Triton Unmanned Aircraft System (UAS), assigned to Unmanned Patrol Squadron 19 (VUP-19), sits on the flight line at Naval Station Mayport, Florida, Dec. 16, 2021. VUP-19, the Navy’s first Triton squadron, will continue to maintain and operate the aircraft off the East Coast to further develop the concept of operations and refine tactics, techniques, and procedures. (U.S. Navy photo by Mass Communication Specialist 2nd Class Nathan T. Beard/ Released)