Blurring the line between exoskeletons and cybernetic augments, the D9 is unfavorably comparable to the Chemical Augmentation System.

By the Cosmic era, almost every part of the human body is replaceable, including of all organs, the brain.

When the Liberty special forces medical research and development teams needed to rebuild man, they didn't do it by halves. The result? A suite of augmentation so pervasive, that most modified operatives are more effective on their own than half of the Liberty marines put together.