. . . "4"^^ . . . "The Adamant class was a type of explorer fielded by the Federation Starfleet and was Introduced in 2159. (Journal of Applied Treknology) By the 2280s The Adamant class starships had been Overhauled into Leonardo-class Vessels.(Federation Starship Recognition Chart)"@en . "Experimental Shield Arrays, Polarized Hull Plating"@en . "11"^^ . "Adamant"@en . . "around 100"@en . "Adamant class"@en . "183"^^ . "74"^^ . "Explorer"@en . "The Adamant class was a type of explorer fielded by the Federation Starfleet and was Introduced in 2159. (Journal of Applied Treknology) By the 2280s The Adamant class starships had been Overhauled into Leonardo-class Vessels.(Federation Starship Recognition Chart)"@en . . "219"^^ . "5.5"^^ .