An O-3 in NJROTC wears how many attached gold bars?

In the NJROTC (Navy Junior Reserve Officers' Training Corps), an O-3 rank refers to a Lieutenant. The insignia for this rank consists of two attached gold bars. Therefore, the correct answer is that an O-3 in NJROTC wears two attached gold bars.

This insignia is indicative of the rank's status and responsibilities within the organization, helping to distinguish the rank from those above and below it. It's important to remember that the rank structures and insignia can vary across different branches of military and associated programs, with each one having its own specific criteria for rank identification.

In this context, it's useful to recognize that the other choices do not accurately reflect the insignia associated with the O-3 rank in NJROTC, which is specifically identified by the presence of two gold bars.