"6.3"^^ . "The Quadcobalt Device was a updated version of the Tricobalt Device created in the 2460s. It consisted of a stronger yield and more explosive materials."@en . "Explosive"@en . "1.87"^^ . "The Quadcobalt Device was a updated version of the Tricobalt Device created in the 2460s. It consisted of a stronger yield and more explosive materials."@en . "Missile"@en . "Quadcobalt Device"@en . .