List of ship commissionings in 1921

The list of ship commissionings in 1921 is a chronological list of ships commissioned in 1921. In cases where no official commissioning ceremony was held, the date of service entry may be used instead. __NOTOC__ Operator Ship Flag Class and type Pennant Other notes 26 January Submarine rescue ship 27 April K IV21 JulyBB-4610 AugustBB-44 11 October K VI 16 December AO-19 Unknown Purchased from the Royal Navy

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