Which title is given to an officer at the O-2 level?

An officer at the O-2 level in the Navy is titled Lieutenant Junior Grade. This rank follows Ensign, which is the title given to O-1 officers. A Lieutenant Junior Grade typically has more responsibilities than an Ensign and often begins to take on leadership roles within their respective units. The rank is denoted by a single silver bar insignia, and officers at this level may be entrusted with greater operational and administrative duties, often leading junior personnel and being involved in mission planning.

The other roles mentioned do not represent the O-2 rank. Senior Chief Petty Officer and Command Chief Petty Officer are enlisted ranks, while the title of Ensign corresponds to the O-1 rank. Understanding the hierarchy of naval ranks is important for recognizing the progression of responsibilities and authority within the Navy.