What is the designation for E-6 in the Navy?

The designation for E-6 in the Navy is Chief Petty Officer. This rank represents a significant level of leadership and responsibility within the enlisted ranks. A Chief Petty Officer serves as a key figure in the chain of command, responsible for supervising junior sailors and managing resources.

While "Petty Officer Second Class" is a rank that falls under the E-5 category, and "Seaman Apprentice" is an entry-level position categorized as E-2, "Master Gunnery Sergeant" relates to the Marine Corps and is not applicable within the Navy rank structure. Therefore, the designation of E-6 as Chief Petty Officer correctly identifies this rank's importance and role in the Navy.