[2022] I had been on the fence about buying the large booster for the PR dockyard, but it's a hard no for me.

The Steel Camo should come with 2 different items:

A Tier 10 Perma-Visual


A Tier 10 Assignable Bonus Package

They do not need to be assigned to the same ship.

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You can see that you get two separate items in the Armory Page:

The missions are visible in-game since the beginning of the event. We also announced the missions well ahead of time via the link that you quoted. Each week is generally more difficult than the previous one.

We have never changed missions to make them harder in the middle of a Dockyard. That would be insane.