This US Army machine embroidered patch measures approximately 4.3" by 3.4", used condition. 

The 545th Military Police Company (545th MP Company) has been associated with the 1st Cavalry Division in the United States Army. Military Police units play a crucial role in providing law enforcement, security, and force protection services within the military.

The 1st Cavalry Division is a highly decorated division of the U.S. Army with a rich history. The 545th MP Company, as part of the division, would likely be involved in tasks such as maintaining discipline, providing security for military installations, and supporting the overall mission of the 1st Cavalry Division.