Question: What branch of service were the Nevada-class battleship and the 16"/45 caliber gun used by?
Sentence (from "16&quot;/45 caliber gun"): The 16"/45 caliber gun (spoken "sixteen-inch-forty-five-caliber") was used for the primary batteries of the last class of Standard-type battleships for the United States Navy, the "Colorado"-class .
Relevant evidence: Yes