Soviet Alfa-class nuclear attack submarine - photo and video

Alfa-class (Project 705 Lira) nuclear attack submarine in service with the Soviet and Russian navies from 1968 until 1996. Seven were built.

https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg


11:43 video:
https://www.youtube.com/watch?v=N1hJ2qJ3wNw


Previously:

https://www.homemadetools.net/forum/...e-photos-87057
https://www.homemadetools.net/forum/...098#post153555
https://www.homemadetools.net/forum/...499#post162333
https://www.homemadetools.net/forum/...330#post150494
https://www.homemadetools.net/forum/...570#post162695

There hulls were made of titanium, an extremely strong metal and light weight. Titanium is as strong as steel but 45% lighter. Titanium has the highest strength-to-weight ratio of all known metals. The Alfa-class was the fastest attack submarine ever built, reaching a submerged speed of 41 knots.