Osprey-class submersible
 Osprey class submersible is a class of submersible of the People's Liberation Army Navy (PLAN) specially designed to perform torpedo retrieving missions at test ranges. This class submersible was highly classified when it originally entered service in 1989 and it was not until more than a decade later in the mid of the first decade of the 21st century when it was revealed to the public when one of the design team members the deputy general designer Mr.