14 years old. Her rank went from Sergeant Major to Second Lieutenant. She's a former student of the DC pilot training program, School. Her class number was Latun 11. Subbota means Saturday in Russian. Giado chose the name for her since Venerdi means Friday in Italian, and Garnet's last name, Sandi, means Sunday.
At first she was very shy, and didn't talk to anyone. She's very smart, and comes up with excellent tactics. After meeting with Ryuusei, she started to develop a crush on him. She also started getting friendlier with the others. Her glasses were actually used to analyze information, though she eventually takes them off. Garnet ends up giving her a new outfit, and dresses her up in the Goth Loli style.
After the war with the Aerogators, she is assigned to a special military strategy team which is lead by Kai Kitamura. While she was testing the Wild Falken, she meets an old School companion, Seolla Schweitzer, who steals it from her.