United States Marine Corps served as a convenient resource for interventions and landings to protect American interests overseas. The Corps was involved in over 28 separate interventions in the 30 years from the end of the American Civil War to the end of 19th century. They would be called upon to stem political and labor unrest within the United States. Under Commandant Jacob Zeilin's tenure, Marine customs and traditions took shape: the Corps adopted the Marine Corps emblem on 19 November 1868. It was during this time that "The Marines' Hymn" was first heard. Around 1883, the Marines adopted their current motto ""Semper Fidelis""
Marine Corps Yumi Anastasia Moreno, nicknamed Ana, was a US Marine of Japanese and Filipino American descent. She served for the United States Forces Japan as part of the United States Marine Corps in Japan from 1999 to 2004. After finishing active duty, she went on to become a civilian translator for the federal government, as well as a manga translator for Seven Seas Entertainment, translating licensed titles such as "Strawberry Panic!", "Girls und Panzer", and "Girl Friends". She started writing "Marine Corps Yumi" in part because of the lack of female Marine representation in the media. She drew from her own experiences