Details are unknown at this time, but will be revealed around the 30th of July.
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Some events that occured were the same as prior Zuiun Festival related events, one noted difference is that [[Uchida Shuu]] came dressed up in [[Warspite]] Cosplay (complete with crown). Outside of this, the following information was announced:
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#The '''Zuiun Festival''' has been extended till '''August 31st, 2017.'''
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#'''[[Summer 2017 Event]]''' has been revealed as: '''Breaking Through to the West! The European Rescue Operation!'''
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#Maintenance for the event is going to take a long time.
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#Many foreign ships such as [[Warspite]], [[Graf Zeppelin]] and [[Aquila]] are confirmed to be returning for admirals who do not own them and can be found in some of the later operations.
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# A '''Silhouette''' of the new '''European CV''' was shown at the Live Event. Art work is suspected to be from '''[[Konishi]]'''.
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# There will be a Japanese Destroyer that will be rewarded for completing the main operation.
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# A Foreign Submarine will be appearing as a drop in the event.
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# '''Name of the foreign CV was announced''', however it was only announced via '''lip movement'''. The first part of the lip movement was an '''"A"''' or '''"HA"''' sound, but the rest is undecipherable.