"Every terran commander who’s worth their salt understands the value that a faithful adjutant brings to any dust-ups that may arise in the Koprulu Sector. An adjutant’s ever-present gaze over the field of battle offers a strategic edge, and helps command keep their troops in line. Who knows, deploying one of your own might just save your hide when it all hits the fan."
Adjutants are sometimes simply addressed as "computer", though they're physically humanoid in design. Significant portions of the original ATLAS coding and functionality still exist in them. Terran commanders understand the value that adjutants bring, as their ever-present gaze over the field of battle offers a strategic edge, and helps commanders keep their troops in line. Their functions include navigation, administration, decryption, presenting history, acting as advisers for terran commanders, storing recipes and storing data. When playing an audio feed, their eyes change color in accordance with speaker.
In StarCraft II, the adjutant remains as the terrans' racial icon and adviser. The adjutant portrait is available upon completion of the Mar Sara Masteryachievement. They are the de facto announcer for terrans in multiplayer, and also serve as the portrait for the AI in multiplayer (as displayed on loading screens).
If a player waits long enough in the briefing of Boot Camp, an adjutant will ask the magistrate if he's all right. Eventually, the adjutant will deliver a recipe for Chinese lemon chicken, which is as follows: