Fleet Ledger

Naval wars from the age of sail to the present day

Ships
/
Classes
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O 21 class

O 21 class

Netherlands

Submarine

4 ships covered here · launched 1939–1940 · 1 lost · 1 battle between them

HNLMS O 21
Survived
Netherlands

Submarine · O 21 class

2 × 1.6″ guns

Launched 1939 · 1 battle

HNLMS O 23
Survived
Netherlands

Submarine · O 21 class

2 × 1.6″ guns

Launched 1939 · 0 battles

HNLMS O 22
Sunk
Netherlands

Submarine · O 21 class

2 × 1.6″ guns

Launched 1940 · 0 battles

HNLMS O 24
Survived
Netherlands

Submarine · O 21 class

Launched 1940 · 0 battles