You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
alternatehistory.com
According to the fountain of flawless wisdom the music to the US Marines' Hymn dates from 1859. Your challenge, should you choose to accept it, is to have US Marines again fighting in Chapultepec Castle and Derne (the battles referred to) by the present day with a POD no earlier than 1859.