Captain Samantha Carter was promoted to Major in 1999. Her assignment is to ascertain possible hostile threats, to continue analysis of stargate technology, and to analyze and return materials, technologies and knowledge for further development. She has served in the Pentagon, was previously a flight officer in the Kuwait theater, and has received special training in the F-117/F16. She in an astro-physics genius, holding a Ph.D. in Quantum Mechanics and is a plasma/particle physics expert. She is also an expert on gate technology, having read every bit of information known to exist and has studied the permutations of the gate symbols at length.