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The proposal to build big semi-submersible ships that would act as massive floating hatcheries and be used to restock the oceans with fish has been presented to the Spanish Government.
The first is a custom-built Assembly and Command Ship, and the second is the Launch Platform, a semi-submersible vessel that is one of the world's largest oceangoing launch platforms.
Our destination was a semi-submersible oil rig, by which I mean that most of it, two enormous hollow vessels, each the size of a warship, floated beneath the surface.
It had special communications and surveillance gear, however, as well as secret double doors in the stern that allowed a fast, semi-submersible boat to launch and recover.
They are working on the first semi-submersible oil platform to be completely built in Brazil.
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