The U.S. Army enlisted rank

Military rank

Military rank is a system of hierarchical relationships in armed forces or civil institutions organized along military lines. Usually, uniforms denote the bearer's rank by particular insignia affixed to the uniforms...

 insignia

Insignia

Insignia or insigne pl -nia or -nias : a symbol or token of personal power, status or office, or of an official body of government or jurisdiction...

 that was used during World War II differs from the current system. The color scheme

Color scheme

In color theory, a color scheme is the choice of colors used in design for a range of media. For example, the use of a white background with black text is an example of a basic and commonly default color scheme in web design....

 used for the insignia's chevron design was defined as either silver grey on dark blue, olive drab on dark blue, or khaki

Khaki

This article is about the fabric. For the color, see Khaki . Kaki, another name for the persimmon, is often misspelled "Khaki".Khaki is a type of fabric or the color of such fabric...

 on dark blue (as seen in the charts below). This scheme of rank insignia was established by War Department Circular No. 303 on 5 August 1920 and would see two significant changes in 1942.