This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionDelta Stretch class SSN.svg
Русский: Силуэт подводной лодки специального назначения проекта 09786. БС-136 «Оренбург». Длина дана оценочно, около 165,3 м. Рисунок подводной части основан на рисунке лодки проекта 667АН.
English: Silhouette of russian Delta-III Stretch class special purpose submarine (project 09786). BS-136 «Orenburg».
Корабли ВМФ СССР. Многоцелевые ПЛ и ПЛ спецназначания (roughly: "Ships of the USSR - Multirole-Submarines and Specialpurpose-Submarines"), Y. Apalkov, Saint Petersburg, 2002.
Корабли ВМФ СССР. РПКСН и многоцелевые ПЛ. (roughly: "Ships of the USSR - SSBNs and multi-purpose submarines"), Y. Apalkov, Saint Petersburg, 2002.
Information, regarding specific details of construction, were found in photos from forum Airbase "Kron"
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.