02 September 2021
US Navy tests second-stage SRM for hypersonic weapons
by Robin Hughes
The US Navy (USN) Strategic Systems Programs (SSP) on 26 August announced that it had conducted a ground test of the second-stage solid rocket motor (SRM) booster in support of the navy's Conventional Prompt Strike (CPS) offensive hypersonic strike capability and the army's Long-Range Hypersonic Weapon (LRHW) development.
The test, performed on 25 August in Promontory, Utah, included firing the first stage of the newly developed booster, as well as the thrust vector control system on the SRM. This was the initial live-fire test of the second-stage SRM and follows a successful test of the first-stage SRM on 27 May, the navy said. The 34.5 in (87.6 cm) two-stage booster will be combined with a Common Hypersonic Glide Body (C-HGB) to create a common hypersonic missile for both services.
The US Navy Strategic Systems Programs conducted a successful test of the second-stage solid rocket motor on 25 August in Promontory, Utah, as part of the development of the navy's Conventional Prompt Strike offensive hypersonic strike capability and the army's Long-Range Hypersonic Weapon. (US Navy)
Declaring the test as successful, the navy said the ground tests of both SRM stages “are a vital step in the development of a navy-designed common hypersonic missile that will be fielded by both the navy and army”.
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The US Navy (USN) Strategic Systems Programs (SSP) on 26 August announced that it had conducted a gr...
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