Here is the full list of all 27 Battle Marine achievements.
You got E1 rank in the game
You got E2 rank in the game
You got E3 rank in the game
You got E4 rank in the game
You got E5 rank in the game
You got E6 rank in the game
You got E7 rank in the game
You got E8 rank in the game
You got E9 rank in the game
You got W1 rank in the game
You got W2 rank in the game
You got W3 rank in the game
You got W4 rank in the game
You got W5 rank in the game
You got O1 rank in the game
You got O2 rank in the game
You got O2+ rank in the game
You got O3 rank in the game
You got O4 rank in the game
You got O5 rank in the game
You got O6 rank in the game
You got O7 rank in the game
You got O8 rank in the game
You got O9 rank in the game
You got OA rank in the game
You got OB rank in the game
No official military records concerning that person survived. However it is passed down in fables and legends, and is held in high esteem by all.