In 1915, the Revenue Cutter Service and the Life-saving Service were merged to form the Coast Guard. The Lighthouse Service was merged into the Coast Guard in 1939. On 28 February 1942, the Bureau of Marine Inspection and Navigation was transferred to the U.S. Coast Guard.[2]
In 1920 the House Committee on Interstate and Foreign Commerce held hearings on merging the recently created Coast Guard into the United States Navy.[3]