Findings:
- X11
- Ohio Class Ballistic Missile Submarine
- Life on a submarine
- Japanese midget submarine
- wet submarine
- Billy Watson and the International Silver String Submarine Band
- She who leaves men as flaming wrecks in the ditch on the side of the road in her wake, yea, even submarines
- submarine launched cruise missile
- Unrestricted Submarine Warfare in World War One
- Naming traditions of United States Navy submarines
- Bell X-1
- x1 (user)
- Sharp X1 Twin
- 1/x = x-1
- Scorpius X-1
- Cygnus X-1
- Seibo x1 (user)
- How to recover a Sun Netra X1 with a Corrupted Disk Label - Bad Magic Number error
- Bell X1
- Sun Netra X1
- Royal Navy Submarines
- Yellow Submarine
- nuclear submarine
- submarine sandwich
- Mr. Submarine
- submarine volcano
- submarine movie
- Blue Submarine No. 6
- submarine
- broken down submarines
- Submarine Races
- submarine patent
- Sunken Nuclear Submarines
- Submarine Collisions
- Submarine NR-1
- International Submarine Band
- S-type submarine
- Submarine Bells
- Forth submarine disaster
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