I was under the impression that pershing's were never officialy adopted, is there some sort of chart that includes it ? No. That is apparently something some Wikipedia user came up with. There is no supporting documentation, and the most thorough biographies of Pershing all say that he wore the sam...

As far as I know, the General of the Air Force insignia has always been simply the circle (pentagon) of five small stars. It has never included the US coat of arms as the General of the Army insignia did.

Not sure what some of the comments mean. The real USAF insignia are only distinguished by progressive numbers of chevrons. Same with the Army and Marines (arcs, or rockers). And the various E-9 types are, in fact, noted only by the symbols in the void between the chevrons and rockers. So what is dif...