HQ-2J

{{Short description|Chinese surface-to-air missile}}

File:HQ-2 Missile in China Industrial Museum.JPG

HQ-2J or Hongqi-2 (红旗二号导弹) are anti-aircraft missiles mounted on the Type 77 transporter launcher. It is an upgraded version of the HQ-2 system. The HQ-1/HQ-2 are developed from the Soviet S-75 Dvina SA-2 system. The HQ-2 has been China's primary air defence system for over forty years but since 2016 it is being replaced by the HQ-22 system.{{Cite web|url=https://www.janes.com/article/84880/previously-unknown-chinese-hq-22-sam-deployments-revealed|title=Janes | Latest defence and security news}}

The HQ-2J was developed by China National Precision Machinery Import and Export Corporation (CPMIEC) for the PLA Army.{{cn|date=February 2021}}

Iran's Sayyad-1 is a HQ-2 variant.{{cite book |last1=Cordesman |first1=Anthony H. |last2=Gold |first2=Bryan |last3=Berntsen |first3=Garrett |date=January 2014 |title=The Conventional and Asymmetric Dimensions |url=https://www.csis.org/analysis/gulf-military-balance-volume-i |series=The Gulf Military Balance |volume=1 |publisher=Center for Strategic and International Studies |isbn=978-1-4422-2791-0 |page=69}}