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Ballistic missiles2022–presentProfile in progress
Hypersonic anti-ship ballistic missile
YJ-21 is a hypersonic anti-ship ballistic missile originating in China. It was built by CALT ?/ SAST ?. Reported operators include People's Liberation Army Navy.
ChinaTechnical data
True scale
Sourced dimensions beside a 1.75 m human reference.
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Hypersonic anti-ship ballistic missile
China
2022–present
People's Liberation Army Navy
CALT ?/ SAST ?
approx. 8.3 metres (27 ft)
Conventional
approx. 1,500 kilometres (930 mi) (claimed)
Mach 6 – Mach 10 (7,400–12,300 km/h) (claimed)
Sea platform: Type 055 destroyer Aerial platform: Xian H-6K
China People's Liberation Army Navy People's Liberation Army Air Force
In 2022, an unidentified hypersonic missile was revealed by the Chinese Navy ahead of its 73rd anniversary, launching from a universal vertical launch system of the Type 055 destroyer . The Chinese Navy did not reveal the missile's designation, but defense analysts believed it to be the ship-launched version of the YJ-21. However, with the emergence of the YJ-20 hypersonic missile in 2025, having a more closely aligned profile to the missile launched by Type 055 in 2022, analysts believed these were two separate missile developments.
According to a 2023 People's Liberation Army Strategic Support Force article, the missile has a cruise speed of Mach 6, and a terminal speed of Mach 10. The missile could be launched from China's Type 055 destroyer or the H-6 bomber.
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
YJ-21 equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.