For full reproduction:
Download CUP vehicles, CUP weapons, and CUP terrains;
Load the map 'Porto' into Eden Editor;
Place the Wasp LHD (Assault) into the water (you can find it in Props -> Structures -> Seaport -> Wasp LHD (Assault))
Since it's probably not just this individual map you could probably just test it on Altis/Stratis