Not long thereafter, the Federation led a task force of eight other Constitution-class starships (initially cloaked, utilizing a Starfleet-engineered variant of the Romulan cloaking device recovered in mid-2268 by Captain James T. Kirk) in an assault against Klingon forces under Commander Kor near Gorn space — involving a stolen Preserver artifact and the Organians—covering the damaged USS Enterprise's escape under fire. (TOS - Year Four: The Enterprise Experiment comic: "The Enterprise Experiment, Part 5")