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HMS Lion's trials before and after commissioning

HMS Lion's first trials preceded commissioning, and testing continued after she entered service.

Battlecruisers Lion Class Battleships Royal Navy Sea Trials Ship Commissioning

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Question

When did the Lion-class battlecruiser HMS Lion begin sea trials?

Short answer

Her initial pre-commissioning trials began in late 1911, followed by commissioning and further trials in 1912.

Notes

HMS Lion's first pre-commissioning trials began in late 1911. Her 1912 commissioning did not end the process, because additional trials and testing continued after she formally entered service.