Dating in the navy
Two notable advancements are from Seaman to Petty Officer Third Class (E-3 to E-4) and from Petty Officer First Class to Chief Petty Officer (E-6 to E-7).
Advancement to Chief Petty Officer is especially significant and is marked by a special induction ceremony.
The Defense Officer Personnel Management Act of 1980 establishes uniform rules for timing of promotions and limits the number of officers that can serve in the Navy at any given time.
Chief Warrant Officer (CWO) pay grades range from W-2 to the highest rank of W-5.
Staff Corps officers are specialists in fields that are themselves professional careers and not exclusive to the military, for example: medicine, science, law, and civil engineering.
Commissioned officers can generally be divided into line officers and staff corps; line officers can be further split into unrestricted and restricted communities.
Unrestricted Line Officers are the warfighting command element and are authorized to command ships, aviation squadrons, and special operations units.
The Navy currently incorporates many different styles that are specific for a variety of uses and occasions. Navy uniforms can generally be divided into three categories: dress uniforms, service uniforms, and working uniforms.
In most cases, distinctions are made to distinguish officers and enlisted men in their uniformed appearance. Recently, the Navy completed a project named "Task Force Uniform" to streamline Navy uniforms.