Here's an auction for various Corps! vehicles, including that FANG clone. You can see the big gun plugged in and the missiles. The WOW version just removed the weapons but not the places to plug them in.

We know the astronaut was planned to have a rocket pack but it was probably not included as it had two big guns on it. There's also a small red 4-wheel ATV from the WOW line which is also a Corps! recycled vehicle.(the original is in the same auction with the copter). They excluded the guns and filled the empty back space with a tow line. And I know the WOW jet ski was packed in with at least one Corps! figure too.

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