In fact she's arguably the most advanced ship of her kind in the world.

It is the only ship of its kind still afloat.

If successful, it would have been the first ship of its kind known to have done so.

Later on, another ship came to Everday, the first and only ship of its kind that had ever been seen.

It should operate in concert with at least five other ships of its kind.

It might once have been a good ship of its kind, but that was a long time ago.

When the vessels were first built, they were the largest ships of their kind in the world.

When completed it will be the largest ship of its kind in the world.

It is the biggest ship of its kind to be found.

"Because this is the only ship of its kind ever built."