sentences:  To avoid accidentally revealing their presence and possibly affecting the delicate political situation, the Talin system is locked down by the First Contact Office, so no use of subspace or warp drive is permitted near the planet.While preparing for their mission, James T. Kirk, Mr. Spock and Dr. McCoy discuss the similar situation that faced Earth.To determine whether or not the First Contact Office has been discovered, Kirk and a joint USS "Enterprise"/First Contact Office team beam down to the planet at one point, narrowly escaping detection.