The 3 sets look like they are either support forces for any fleet, or are designed to ally with any fleet.
The first is an East Indian Merchant Fleet. Used to keep the companies trading lanes open, and can attach to any fleet it seems. battleship, 3 cruisers, airship, 8 frigates, 10 fighter tokens and rule booklet.
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The second is Merchant Naval Convoy which may be useful in campaign for resupply. They also have 68 drop in parts to make a variety of merchant ship types, troop transport ship, 3 armed oil rigs. The set comes with 2 support carriers and the rule booklet.
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The last set is an amphibious landing set. They put a lot of the landing barges together, 1 large, 3 medium and 4 infantry, along with 10 tugs, 8 A5 beach landing objectives, and 2 of the new support carrier.
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I am pretty stoked by the merchant convoy as I want to get some support carriers.