Category:M class submarines
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English: The British M class submarines of 1917.
This category has only the following subcategory.
- [+] Elswick BL 12 inch 40 calibres naval gun (1 C, 20 F)
Pages in category "M class submarines"
This category contains only the following page.
Media in category "M class submarines"
The following 11 files are in this category, out of 11 total.