
Overview
Barnaul is documented as K-263, a member of Akula class nuclear-powered attack submarine, and in Russian Navy service.
The documented national and naval associations are Russia and Russian Navy.
Identity and construction
The documented identity includes K-263.
Class and service context
Barnaul is linked to Akula class nuclear-powered attack submarine. The class page provides shared design history; this page preserves facts that apply to this ship.
The class is associated with the recorded roles of Attack submarine and Anti-submarine warfare. Those roles provide context but do not establish that every ship performed every mission.
Later service and disposition
Later service and final disposition have not been confirmed in the sources reviewed.
Evidence and limits
Available sources confirm the identity, class relationship, and service details shown above for Barnaul.
Operational episodes, refits, and crew history are included only when they are supported by evidence tied to this ship.
Class relationship
This ship is recorded as a member of Akula class nuclear-powered attack submarine. Shared design history belongs on the class page; this page concentrates on the individual hull where evidence is available.
Sources and further reading
- Project 971 Akula class ship list ↗GlobalSecurity.org · accessed 2026-09-21
- Russian ship project numbers since 1936 ↗GlobalSecurity.org · accessed 2026-09-21