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Īs the two arrived at Ronbertburg City to destroy the local Rebel forces, Morden attempted to escape in the Hairbuster Riberts, a large Rebel Army bomber that was still in development. PF Squad members Marco Rossi and Tarma Roving took part in this mission. Squad to destroy the Rebel Army's bases and either capture or destroy the stolen Metal Slugs. In response, the Regular Army ordered the special team P.F. However, in 2028, Morden launched a surprise attack and stole the caches containing the Metal Slugs. Their initial plan was to stockpile multiple tanks and unleash a massive assault on the Rebel Army. Metal Slug: Super Vehicle-001 ĭuring the two years after Donald Morden's initial attack, survivors of the Regular Army formed a resistance and began developing a new weapon, the all-purpose tank SV-001 "Metal Slug". Upon learning of Morden's betrayal and his ruthlessness, the US President stated that he was the reincarnation of the devil, earning him the nickname "Devil Rebirth". The Rebel Army swiftly defeated the Regular Army and took over all of the world's major cities within 170 hours. In the year 2026, Morden finally launched his coup d'état to destroy the Regular Army and conquer the world.
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It was believed that this was one of the reasons for his later betrayal. However, in 2023, Morden lost both of his wife and daughter in the Central Department Store terror bombing. He was also a caring father to his daughter. In this time, he had a reputation of being a tough, efficient, and caring officer of the Regular Army, and is held in high regard by his troops. After graduating from the academy with a scholarship, Morden joined the Regular Army Marine Corps, later becoming the Intelligence Agency Tactical Commander and the Far Eastern Garrison Commander before rising to the rank of Field Marshal.
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