A Zeon spacecraft was a type of spacecraft utilized by the Zeon of planet Zeon. Spock stated of Zeon ships, that the Zeons had "a crude interplanetary capability", and took no note of peculiarities in their known technology and the reaction powered Ekosian missile encountered by the USS Enterprise in 2268. The Ekosians, believing the Enterprise was a Zeon spacecraft, launched their thermonuclear missle at the Enterprise, later stating that they repulsed "an attack by Zeon spacecraft," and that their "missiles utterly destroyed the enemy," much to the contrary.