The "E" in E-one means "enlisted" whilst the "one" implies the paygrade for that position. Another pay back groups are "W" for warrant officers and "O" for commissioned officers. Some enlisted paygrades have two ranks. Some Lodges and rituals explain these symbols as lessons in carry out: as an example, https://chrome-letters15791.blogitright.com/27059925/considerations-to-know-about-hunting-emblems