There she retrieved schematics of Nighthaven's headquarters and performed surveillance of their facilities and activities. 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. In early 2022, Nighthaven cut ties with Rainbow and poached several operatives. Despite the mission's success, it caused tensions to rise between Castellano and Caveira. With Castellano and Bowman providing intel, Twitch and Anthony 'Nomad' Perryman later found Caveira and helped her rescue her brother from the Santa Blanca Drug Cartel. Castellano reached out to Karen Bowman who was also in Boliva leading Ghost Recon, and they launched Operation Archangel to locate Caveira. In 2019, Castellano and Emmanuelle 'Twitch' Pichon learned that Taina 'Caveira' Pereira had gone AWOL to Bolivia. In 2016, Castellano accepted an offer to join Rainbow alongside Blackbeard. She provided Castellano's team with valuable intel, and the two later kept in contact with one another. During a particularly dangerous mission in South America, Castellano met an undercover CIA operative named Karen Bowman. During her training, she met Craig 'Blackbeard' Jenson who served as an instructor for Hell Week. She applied to become a SEAL when the position was opened to women and succeeded after several grueling years, acting as an encouragement for others to follow. In 2007, Castellano collaborated with GROM Operator Elżbieta Bosak in Operation Orange Sky, acting as her source of intel.Ĭastellano's attention to detail and analytical skill made her one of the most sought-after specialists. After graduating with a degree in Computer Science, specializing in Security and Cryptography, she transferred to the Navy's Information Dominance Corps. Castellano served four years before attending college on the Veterans Affairs bill. She changed her focus after high school and enlisted in the United States Navy in the early 2000s.

Her Olympic ambitions ended after she broke her arm in a car accident when she was sixteen.

An Olympic hopeful in the 200-meter breaststroke, Castellano split her time between the pool and the army base. From an early age, she was known as a high achiever in math and science and as an athletic prodigy. Her mother was a researcher at a nearby biotech company. Her father was a respected Colonel in the United States Marine Corps who worked as a training officer. Meghan Castellano was born and raised in the quintessential surf community of Oceanside, California.

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