Margaret-053 (Earth-4001)

Chief Petty Officer Margaret-053 was a SPARTAN-II supersoldier of the UNSC Naval Special Warfare Command serving under the Office of Naval Intelligence. She was the leader of Team Black, and was designated in the team as Black-One. In armor, she was visually distinguished with the Roman numeral "I" on her visor.

History
The history of Black-one is the same as his mainstream counterpart up until the end of the Human-Covenant War in 2553.

Personality
Befitting her role as Black Team's leader, Margaret is not easily distracted from a mission and remained focused on the task at hand. Despite her no-nonsense leadership, she possesses a dry sense of humor which often manifests as lively military banter or sarcastic remarks. She is generally calm and capable of reasoning and logical decision-making, even in the direst of situations.