1. It is equivalent to the rank of rear admiral in the Royal Navy and the rank of the rear admiral ( upper half ) in the United States Navy .
2. It is equivalent to the rank of rear admiral in the United States Navy and the rank of rear admiral ( upper half ) in the Royal Navy .

Select your answer from the options. Are these two sentences paraphrases of each other?
Pick from:
(I). no;
(II). yes;...I think the answer is
(I).