The JL-2 (CSS-NX-14), also known as the Ju Lang-2 or Giant Wave-2, is a Chinese intercontinental-range, submarine-launched, three-stage solid propellant ballistic missile. It is believed to have been developed jointly with the DF-31 land-based ICBM beginning in 1970. As of 2016, China deploys four Jin-class nuclear ballistic missile submarines each armed with 12 JL-2 ICBMs. Chinese plans call for the production of a total of 12 Jin-class submarines.¹ These systems have replaced the aging JL-1 (CSS-N-3) missiles aboard the Xia-class Type 092 submarine, which is now likely out of service completely.

The JL-2 has a minimum range of 2,000 km, a maximum range greater than 8,000 km, and carries a payload of 1,050 to 2,800 kg. The missiles are believed to be armed a single 1 MT yield nuclear warhead, but may also be capable of delivering 3-8 lower yield MIRVed warheads.² The missile may be equipped with penetration aids and decoys to complicate missile defenses. The missile uses an inertial guidance system with stellar updates and a Global Positioning Satellite (GPS) system. It may also employ the Bei Dou navigational satellite system. These missiles will likely have an accuracy of 150 or 300 m CEP.³

The JL-2 underwent testing in 1983, but both the JL-2 and DF-23 were redesigned in 1985 following a change in program requirements to account for advancements in PRC warhead miniaturization technology.⁴ The JL-2 was installed on the Golf-class Type 031 submarine for testing and the first test launch occurred in 2002, with subsequent launches reported in 2003, 2004, 2005, 2012, and 2015. The JL-2 reportedly entered service in 2015. As of 2016, the PLA has 48 launchers and warheads.⁵