What is the collar device of an O-2 in NJROTC?

In the context of the NJROTC (Naval Junior Reserve Officer Training Corps), the collar device for an O-2, which is the rank of Lieutenant Junior Grade, consists of two attached gold bars. This is a distinctive insignia that visually represents the officer's rank within the naval hierarchy. The use of two gold bars helps differentiate this rank from others, providing a clear and recognizable identification for both the officer and the personnel below them.

Each rank in the NJROTC is denoted by specific insignia on the collar, and understanding these distinctions is crucial for recognizing the authority and responsibilities associated with each position. The rank of O-2 is positioned above the O-1 rank, typically indicated by one gold bar, thus necessitating the use of two bars to signify the advancement to the next level. This structure helps maintain organizational clarity and discipline within the program.

The other options represent either ranks that do not correspond with O-2 or symbols that are used for different ranks altogether, illustrating the importance of being familiar with these specifics in a military training environment.