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In page People's Liberation Army Navy:

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In 1986, the Navy's order of battle included two Xia-class SSBNs armed with twelve CSS-N-3 missiles and three Han-class SSNs armed with six SY-2 cruise missiles. In the late 1980s, major deficiencies reportedly remained in anti-submarine warfare, mine warfare, naval electronics (including electronic countermeasures equipment), and naval aviation capabilities.[citation needed]