A Holobase was a type of holographic device that was developed by the United Federation of Planets which served as a much larger as well as advanced version of the technology used in Camouflage Hologenerators. In addition to a hologenerator, it possessed a holoemitter as well as a replicator allowing it to both create an interior along with spare parts. It was possible for a holobase to be vacuum sealed and climate controlled but this reduced its operational life unless extensive modifications were made in addition to extra power packs. (Decipher RPG module: Starfleet Operations Manual)

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