The H/PJ-38 is a single-barreled 130mm naval gun employed by the People's Liberation Army Navy. This naval gun, which was designed in 2005, was first installed on the Type 052D destroyer.[1][2] The H/PJ-38 is the name given to this firearm in English and Japanese literature. This weapon's official designation, according to Taiwanese military journalist Lu Yi, is H/PJ-45.[1]