The U.S Angel Corps was formed in 1943 during heavy American involvement in the Second World War. The Angels Project was aimed at preparing highly trained female agents to operate covertly behind enemy borders. The project was only modestly successful as The War had ended before many agents could be trained.

The only agent of note to emerge from the project during the War Time Era was a former women's basketball player named Audrey Fairweather. Her exploits gained her some fame within the intelligence and special forces community, becoming something of a poster girl for covert ops.

In 1968, after a spate of intelligence blunders caused by Soviet honey-trap operations, it was decided that the Angel Corps program should be restarted as an equivilent response. Miss Fairweather was chosen to head the project on the strength of her record. After the relatively poor results of the Angel Corps of her own era, she decided to take a long term approach to training potential agents.

The Fairweather School for Girls was established approximately one year later. The school took the majority of it's students from orphanages, giving the children who joined a better life and an exceptional education. Potential agents were then selected from this pool of students, and given further, specialized instruction. To date, over one hundred agents have graduated from the Fairweather School for Girls, all exceptionally trained.

In it's current form, the Angel Corps has around two dozen fully graduated agents. Most work alone or in small groups, but have been known to assist conventional forces as specialists or advisors.