How many stars does an admiral typically have on their collar device?

An admiral typically has four stars on their collar device. This insignia represents a high rank in the naval hierarchy, with each star signifying a level of authority and responsibility. In military ranking systems, the number of stars is used to denote different ranks, and for admirals, four stars indicate a full admiral or four-star admiral status, which is one of the highest ranks in the naval service. This rank comes with significant leadership duties and strategic decision-making abilities in naval operations.