- Write Who You Know: Some characters are partially based on Moreno and people she knew.
- Yumi is an Americannote with Japanese bloodnote , raised in Japannote , elected Molly Marine in her platoon, assigned to CBRN defense and interpreter duties, and stationed in Okinawa. Intentionally or not, Nagumo also sounds a bit like Nogami.
- Rita was born and raised in Okinawa, has a Hispanic surnamenote , and joined the Marines in part to return to her birthplace.
- Donna wears glasses (and is horrified about how she looks wearing BCG) and is an Occidental Otaku.
- Linda enlisted after quitting a dead-end job.
- Erica Bush is named after yuri journalist Erica Friedman and has the same interests.
YMMV / Marine Corps Yumi