Valkyrie

Meghan J. "Valkyrie" Castellano was born and raised in the quintessential surf community of Oceanside, California. Her father was a respected Colonel in the United States Marine Corps who worked as a training officer. Her mother was a researcher at a nearby biotech company. From an early age, she was known as a high achiever in math and science and as an athletic prodigy. She graduated from University of California, San Diego: Bachelor of Science, Computer Science. An Olympic hopeful in the 200-meter breaststroke, Castellano split her time between the pool and the army base. Her Olympic ambitions ended after she broke her arm in a car accident when she was sixteen. She changed her focus after high school and enlisted in the United States Navy in the early 2000s. Castellano served four years before attending college at the University of California, San Diego on the Veterans Affairs bill. After graduating with a degree in Computer Science, specializing in Security and Cryptography, she transferred to the Navy's Information Dominance Corps. In 2007, Castellano collaborated with GROM Operator Elżbieta Bosak in Operation Orange Sky. In early 2022, Nighthaven cut ties with Rainbow and poached several operatives. With Rainbow no longer able to keep hostile organizations from hiring Nighthaven to oppose them, Harry "Six" Pandey sent Castellano on a reconnaissance mission to Singapore. There she retrieved schematics of Nighthaven's headquarters and performed surveillance of their facilities and activities. It was at this time that she discovered that they were involved in criminal activities. With the restructuring of Rainbow into smaller teams, Castellano was placed on Caveira's team, despite their prior grievances.