Typically, these vessels have a secondary containment structure, in case the vessel bursts.

Also due to low operating pressure, a much smaller containment structure is needed compared to light water reactors, up to 1,000 times smaller.

You might be able to blow the containment structure to bits with a nuclear bomb, but what's the point?

The dome of the containment structure was topped out in September 2009.

However, the current emphasis on reactor safety means that any new design will likely have a strong reinforced concrete containment structure.

The Chernobyl design is practically prehistoric, with no containment structure.

The containment structure is modern and designed to withstand a very high level of punishment.

In a modern reactor, a nuclear meltdown, whether partial or total, should be contained inside the reactor's containment structure.

The Metsamor plant is one of just a few remaining nuclear power reactors that were built without primary containment structures.

At this time, it is not known what, if any, containment structure or associated missile shield will be built on the ship.