Final answer:
A Senior Chief Petty Officer in the U.S. Navy wears three gold chevrons and one gold rocker on their sleeve. They may also wear other insignia to denote their job specialization and expertise. These symbols of rank and achievement are worn on the dress uniform and some other uniforms.
Step-by-step explanation:
A Senior Chief Petty Officer in the U.S. Navy wears three gold chevrons and one gold rocker on their sleeve. The three chevrons represent a Senior Chief Petty Officer, which is the eighth enlisted rank in the U.S. Navy. The gold rocker indicates that the Senior Chief Petty Officer is also a Master Chief.
Additionally, a Senior Chief Petty Officer may wear other distinguishing insignia, such as a rating badge to denote their specific job specialization and a warfare specialty insignia to indicate their expertise in a particular area.
The gold chevrons, rocker, and other insignia are worn on the sleeve of the dress uniform and some other uniforms as a sign of rank and achievement.