: Lead engineer Galen Erso intentionally stalled development for years after learning the project's true purpose. He also built a secret "fatal flaw" into the thermal exhaust port, which the Rebel Alliance later exploited.
: The initial schematics were developed by the Geonosians under Archduke Poggle the Lesser during the Clone Wars. Count Dooku eventually delivered these plans to Darth Sidious (Palpatine). Death Star (Star Wars)
Faced constant shortages of raw materials and missed engineering deadlines due to the unprecedented scale. : Lead engineer Galen Erso intentionally stalled development
: Building began in space above Geonosis approximately one year before the end of the Clone Wars. The Empire used various construction modules and later relocated the station to hidden sites to maintain secrecy. Death Star (Star Wars)