Which rank corresponds with the collar device of a silver eagle?

The collar device of a silver eagle is emblematic of the rank of Lieutenant Colonel. This rank is identified by the use of a silver eagle with extended wings as the insignia, which clearly distinguishes it from other ranks in military structure. In many branches of the military, ranks are visually represented by insignia, and the silver eagle specifically denotes the Lieutenant Colonel rank, indicating a position of leadership and significant responsibility. Understanding these insignia helps in recognizing the hierarchy and structure within the military organization.