This Day in Coast Guard History – Sept. 18
1939-President Roosevelt directed the enlistment of 2,000 new Coast Guardsmen and opened two new training stations.
1947-The U.S. Air Force was formed as a separate military service. Happy Birthday Air Force! The Air Force's motto is: "Uno Ab Alto" (One over all).
1989- Hurricane Hugo hit Puerto Rico and eventually made landfall at Charleston, South Carolina, on the 21st. Coast Guard units conducted search and rescue as well as relief operations.
(Source: USCG Historian’s Office)