Nelvana III

Nelvana III was a planet within the Romulan Neutral Zone featured in the TNG episode "The Defector". A Romulan defector seeks asylum aboard the Enterprise-D with information that the Romulan Empire is building an invasion force on this world. Arriving there, the Enterprise crew find no evidence of military activity and the Defector realizes it was just a test of his loyalty. Riker recalls the Nelvana III incident when he meets Tomalak aboard Enterprise-E.