Is Russia's new submarine any good?
18:12
Project 705 Lira: The Soviet Submarine That's Still the Fastest Ever Built
30:16
This Aircraft Carrier Could Go Underwater... IMPOSSIBLE Submarine Aircraft Carrier - An 1 + An 2
21:53
How Russia built a stealth jet to beat the west - Su-57
38:34
The Incredible Engineering of the Battleship Yamato
14:01
What ever happened to Stealth Ships?
10:25
What ever happened to Cargo Submarines?
16:57
What Happened To The Nautilus?
13:44