. "Stealth Training is a gadget featured in Battlefield Hardline for the Professional kit. It drastically reduces the amount of noise a player makes during movement. It also makes actions such as opening doors much quieter."@en . . "Stealth Training"@en . . . "Stealth Training"@en . . "Stealth Training is a gadget featured in Battlefield Hardline for the Professional kit. It drastically reduces the amount of noise a player makes during movement. It also makes actions such as opening doors much quieter."@en . . "Gadget"@en . . .