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"The ion cannon will fire several shots to make sure that any enemy ships will be out of your flight path."
Princess Leia Organa[src]

The v-150 Planet Defender, also known as the v-150 ion cannon, was a model of planetary ion cannon designed to disable capital ships. Often deployed in conjunction with planetary shields, its purpose was to defend planets while the shields reached full power. It could disrupt Star Destroyers with a single ion bolt, however its stationary nature made it vulnerable to attack, and its blast shield was required to retract in order to utilize the cannon. It was also equipped with an independent power generator buried roughly 40 meters below the weapon emplacement.[1]

Prior to the Battle of Hoth, the Alliance to Restore the Republic used a v-150 to allow their transports to slip past Imperial Star Destroyers.[3] The cannon was later destroyed during the battle.[2]

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Behind the scenesEdit


Concept art of a v-150 by Ralph McQuarrie

The v-150 Planet Defender first appeared in The Empire Strikes Back and was based off of concept art by Ralph McQuarrie.[4]



Notes and referencesEdit

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