Katherine Johnson steered the ship safely through the rough, choppy, dark water, was the correct sentence with proper commas, as the question was incomplete.
Some of the proper way of using commas are given below-
Thus, Katherine Johnson steered the ship safely through the rough, choppy, dark water.
Learn more about rules of using comma here:
https://brainly.com/question/19383493
#SPJ1
The full question is given below-
Add or remove commas - Rainbow Johnson steered the ship safely through the rough choppy dark water.