Mogami during trials, 1938. Lead ship of her class of light cruisers (five triple 6" gun turrets), she was later converted into a heavy cruiser (five double 8" gun turrets). Later, during WW2 her two aft turrets were removed and she was converted in a seaplane carrier.
HMS Achilles, a Leander class light cruiser of 7,000 tons. The Royal Navy had hoped ships of approximately this size would be the new future standard in the 1930s.