The RD-15A Mercenary was a type of Mandalorian armor that was used by it's creators the Mandalorian warrior clans or that of elite bounty hunters and mercenaries during the Cold War and Galactic War. The RD-15A along with it's similar counterparts the Mercenary Elite Prototype Armor, TH-15A Corpsman, TT-15A Powertech, and the Mandalorian Enforcer armor all still remained in use during the war against Zakuul.