"Semper Paratus" (Latin for "Always Ready") is a 1928 song and the official march of the United States Coast Guard, having been composed in 1927 by U.S. Coast Guard Captain Francis Saltus Van Boskerck.

Always Ready!

(I had to use the USCG Ensign instead of the normal flag since I couldnt find the flag of the USCG size that fits in the resolution of the vid)