This is a list of flags in the United States describing the evolution of the flag of the United States, as well as other flags used within the United States, such as the flags of governmental agencies. There are also separate flags for embassies and ships. National flags Historical progression of designs Since 1818, a star for each new state has been added to the flag on the Fourth of July the year immediately following each state's admission. In years in which multiple states have been admitted, the corresponding number of stars were added to the flag. This change has typically been the only change made with each revision of the flag since 1777, with the exception of changes in 1795 and 1818, which increased the number of stripes to 15 and then returned it to 13, respectively. As the exact pattern of stars was not specified prior to 1912, many of the historical U.S. national flags (shown below) have had varied arrangements of the stars. Other historical versions Executive branch flags Office of the President Office of the Vice President Department of State Department of the Treasury Department of Defense Department of the Army Army Department of the Navy Navy Marine Corps Department of the Air Force Air Force Space Force National Guard Bureau Civil Air Patrol The Civil Air Patrol (CAP) is a congressionally chartered, federally supported non-profit corporation that serves as the official civilian auxiliary of the U.S. Air Force. It has quasi-military organizational and rank structures modeled on those of the Air Force. Department of Justice Department of the Interior Department of Agriculture Department of Commerce National Oceanic and Atmospheric Administration National Oceanic and Atmospheric Administration Commissioned Officer Corps Department of Labor Department of Health and Human Services United States Public Health Service Commissioned Corps Department of Housing and Urban Development Department of Transportation Department of Energy Department of Education Department of Veterans Affairs Department of Homeland Security Coast Guard Legislative branch flags Congress Other federal flags Many agencies, departments, and offices of the U.S. federal government have their own flags, guidons, or standards. Following traditional American vexillology, these usually consist of the agency's departmental seal on a blank opaque background, but not always. State and territory flags The flags of the U.S. states, territories, and federal district exhibit a variety of regional influences and local histories, as well as different styles and design principles. Nonetheless,