Why did Cortana choose Noble Six?

Why did Cortana choose Noble Six? She choose Noble 6 to get to the PoA safely from Halsey’s lab. Plus, Noble 6’s armor couldn’t carrier her like MC’s hence he has the data thing attached to his back.

She choose Noble 6 to get to the PoA safely from Halsey’s lab. Plus, Noble 6’s armor couldn’t carrier her like MC’s hence he has the data thing attached to his back.