To the uninformed observer, the Empire of the Rising Sun appears to be deeply stratified along class and gender lines, leaving one to assume that such a regimented society would never deign to permit women to assume the mantle of warrior and engage in frontline combat. That assumption, however, could not be further from the truth. We now know that, --more than ten years ago, acting on the counsel of his forward-thinking son the Crown Prince, the Emperor Yoshiro saw fit to establish the Imperial Women's Warfare Academy deep in the heart of Hokkaido, with the goal of training the Empire's finest and fittest female subjects in both traditional and new ways of battle. Segregating the academy by gender was said to ensure proper focus and discipline.
You can read the full article, along with a short video of this unit in action here, at RedAlert3.com.