Here are links to the branches of service service songs, the National Anthem and on some of these links, many more military or patriotic songs.
Army Song and also Armed Forces Medley and National Anthem
http://www.usarmyband.com/watch-listen/ceremonial-music-guide.html
Marine Corps
http://www.marineband.marines.mil/About/Library-and-Archives/The-Marines-Hymn/
Navy
http://www.navy.mil/navydata/na…