Errors:

Panel 1:
"If you never dip yourself in water, then it's impossible for you to learn how to swim.

Panel 2:
"Ah... by the way, Admiral, speaking of swimming..."

Panel 3:
"There is this method that puts you in a sink or swim situation, right?

Panel 4:
"Then what if I put myself in an extreme position where I could talk normally to her?"
"Ah. If you put it that way, somehow I get it."