What insignia is associated with a Petty Officer First Class (PO1)?

The insignia associated with a Petty Officer First Class (PO1) is one eagle over three chevrons. This design is a distinct and prominent part of the rank insignia, signaling the leadership role that a PO1 holds within the Navy's enlisted ranks.

The eagle represents a high level of responsibility and achievement, while the three chevrons signify the rank among the petty officer tier. This visual representation not only distinguishes a PO1 from lower ranks but also signifies their experience and capability in performing their duties within the Navy.

Understanding the correct insignia is crucial for recognition and respect among peers, and it's also essential for identifying chain of command in a military environment. The other choices do not accurately represent the insignia for a Petty Officer First Class, reinforcing the importance of being familiar with rank insignias in naval operations.