The Coast Guard Act of 1915 was passed by Congress on January 20, 1915, and signed into law by then-American president

Woodrow Wilson Thomas Woodrow Wilson (December 28, 1856February 3, 1924) was an American politician and academic who served as the 28th president of the United States from 1913 to 1921. A member of the Democratic Party, Wilson served as the president of ...

on the twenty-eighth day of the same month. The act created the

United States Coast Guard The United States Coast Guard (USCG) is the maritime security, search and rescue, and law enforcement service branch of the United States Armed Forces and one of the country's eight uniformed services. The service is a maritime, military, mu ...

as a new service outwardly modeled on the structure of the

U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage o ...

and under the command of the Department of Treasury. Its men wore uniforms and had the responsibility of protecting American coastal cities and waters from hostile attack, enforcing customs duties and performing search and rescue missions at sea and in coastal environments. The U.S. Coast Guard is a branch of the United States Armed Forces authorized to stop, search and arrest suspected smugglers and other unlawful intruders into American waters.

Mergers

The Coast Guard was created from the merged

United States Life-Saving Service The United States Life-Saving ServiceDespite the lack of hyphen in its insignia, the agency itself is hyphenated in government documents including: and was a Federal government of the United States, United States government agency that grew out ...

and the

United States Revenue Cutter Service ) , colors= , colors_label= , march= , mascot= , equipment= , equipment_label= , battles= , anniversaries=4 August , decorations= , battle_honours= , battle_honours_label= , disbanded=28 January 1915 , flying_hours= , website= , commander1= , co ...

, which had been established in 1790 to prevent smuggling until the reestablishment of the Navy in 1798. Although placed under the

U.S. Treasury Department The Department of the Treasury (USDT) is the national treasury and finance department of the federal government of the United States, where it serves as an executive department. The department oversees the Bureau of Engraving and Printing and ...

the Coast Guard was temporarily transferred to the Navy Department during

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

and again during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposing ...

. In 1939, the Coast Guard also integrated and incorporated the

United States Lighthouse Service The United States Lighthouse Service, also known as the Bureau of Lighthouses, was the agency of the United States Government and the general lighthouse authority for the United States from the time of its creation in 1910 as the successor of t ...

and, in 1942, the

Bureau of Marine Inspection and Navigation Bureau ( ) may refer to: Agencies and organizations *Government agency *Public administration * News bureau, an office for gathering or distributing news, generally for a given geographical location * Bureau (European Parliament), the administra ...

. In 1967, the Coast Guard was placed under the

United States Department of Transportation The United States Department of Transportation (USDOT or DOT) is one of the executive departments of the U.S. federal government. It is headed by the secretary of transportation, who reports directly to the President of the United States a ...

Further Amendment

Since 2003, the U.S. Coast Guard has fallen under the jurisdiction of the

Department of Homeland Security The United States Department of Homeland Security (DHS) is the U.S. federal executive department responsible for public security, roughly comparable to the interior or home ministries of other countries. Its stated missions involve anti-terr ...

and as before in times of war and emergency when declared by the president it reverts to the navy's control.

References

{{US Coast Guard navbox 1915 in American law History of the United States Coast Guard United States federal legislation