"The USS Troy was a Petersburg-class transport that saw service during the 24th century. (Eternal Vigilance: The United Federation of Planets Sourcebook, Vol. II)"@en . "USS Troy"@en . . "The USS Troy was a Petersburg-class transport that saw service during the 24th century. (Eternal Vigilance: The United Federation of Planets Sourcebook, Vol. II)"@en . "transport"@en . . . "USS Troy"@en . "Petersburg"@en . . .