Separatist supply ship The Separatist supply ship , also known as the Separatist support ship or the Separatist transport , was a massive transport and supply ship utilized by the Confederacy of Independent Systems during the Clone Wars . Originally a corporate vessel , the supply ship was adapted to compensate for the inadequate cargo capacities of other craft in the Confederate Navy , particularly the " Lucrehulk " - class battleship . The supply ship was over one thousand meters wide and housed several hangar bays , which could accommodate multiple C - 9979 landing craft to transport the battle droid infantry of the Separatist Droid Army to battlefields across the galaxy . Being able to store over five million metric tons of cargo , it was primarily used for arms and resupply shipments to the organic defense armies in the Confederacy military , often supporting planetary campaigns from orbit . It was armed with point - defense laser cannons and could be crewed by B1 battle droids overseen by a T - series tactical droid . During the lengthy Battle of Umbara of 21 BBY , the Confederacy provided a Separatist supply ship to the Umbaran militia , which used the transport to reopen supply lines to the capital city following the Galactic Republic ' s capture of an Umbaran airbase . The supply ship sustained the capital ' s defenses until the craft was infiltrated and destroyed by a trio of clone trooper – commandeered Umbaran starfighters , leading to the capital ' s fall to the Grand Army of the Republic . A number of supply ships were involved in the Confederacy ' s massive blockade of Serenno , the headquarters of Head of State Count Dooku , while General Grievous used a pair of supply ships to support his invasion of Dathomir . Dooku also enlisted a pair of supply ships to supplement his invasion of Scipio , a stronghold of the InterGalactic Banking Clan . Characteristics . Initially a corporate vessel , the Separatist supply ship was converted as a model of transport craft by the Confederacy of Independent Systems . It was 908 . 78 meters long and 910 . 35 meters tall , while its armored hull and barbell shape afforded a width of 1257 . 32 meters . It was armed with point - defense laser cannons but also relied upon other ships for protection . Its body housed a number of hangar bays , which could carry multiple C - 9979 landing craft , each of which had a wingspan of 149 meters and a twenty - four - meter height . The main hangar , accessible via an aft entry , was located in the midsection of the ship ' s starboard hemisphere and was equipped with ceiling cranes and other equipment for cargo loading and storage . At the end of the main hangar was the ship ' s reactor room , which was protected from outside access by ray shielding . The Separatist supply ship was painted with the blue livery of the Confederacy , as well as with a Confederate roundel on both sides of its hull . It had an overall cargo capacity upward of five million metric tons . It was equipped with a hyperdrive . The transport could be commanded by a single T - series tactical droid , while B1 battle droids made up the bridge team as well as the main hangar ' s cargo supply crew . Role . The Separatist supply ship served as a heavy transport in the Confederate Navy during the Clone Wars , fulfilling the Confederacy ' s needs by compensating for the insufficient cargo capacity of other craft such as the " Lucrehulk " - class battleship . Originally a corporate transport , the supply ship was converted for wartime service in the Confederate Navy , proving to be a more dedicated cargo carrier than other vessels . It became a valuable combat asset during lengthy conflicts due to its massive size and capacity , which allowed it to serve as a transport for C - 9979 landing craft and their troops , the battle droids of the Separatist Droid Army . Yet it primarily contributed to the Separatist war machine by supplying arms , power supplies , and other matériel — for example , long - range missiles — to organic defense armies like the Umbaran militia . Supply ships could be employed in campaigns from orbit , providing weaponry and supplies to ground forces on the planetary surface , while their isolated position in space would allow them to be defended by warships of the Confederate Navy . History . The supply ship initially served as a corporate vessel until being repurposed by the Confederacy of Independent Systems during the Clone Wars , becoming an integral part of the supply chain of the Confederate Navy . As more member worlds contributed their organic - based armies to the Separatist war machine , supply ships were used to support them during campaigns against the Galactic Republic , meeting a variety of replenishment needs , in addition to ferrying detachments of the Separatist Droid Army to the front lines . Due to its new role , it became known as the Separatist supply ship , or alternatively the Separatist support ship or Separatist transport . Late in 21 BBY , the second year of the war , the Confederate world of Umbara was subjected to an invasion by the Grand Army of the Republic . In response to the Republic 501st Legion ' s capture of an airbase that had been supplying the defenses of the capital city , the Confederate Navy provided the native Umbaran militia with a Separatist supply ship , with a large fleet of Confederate warships defending the transport . The vessel , commanded by a T - series tactical droid , remained in orbit and was used to rebuild the Umbarans ' supply lines to the capital , providing the city ' s defenders with shipments of long - range missiles and other arms . A fleet from the Republic Navy targeted the Separatist supply ship to sever the capital ' s supply lines , but the flotilla was unable to destroy the vessel due to being outclassed in strength by the Confederate armada . During the battle over Umbara , Advanced Recon Commando Fives and two 501st clone troopers , Jesse and Hardcase , undertook an unsanctioned mission to destroy the supply ship . They joined the space battle in stolen Umbaran starfighters , using them to slip past the supply ship ' s defenses , as the battle droid crew was unable to identify that they were not friendlies until too late . Once inside , Fives , Jesse , and Hardcase piloted their starfighters through the main hangar , intending to blow up the ship by rupturing its reactor core . While the ship ' s droid crew attempted to defend their vessel from the clone troopers , the tactical droid commander activated the reactor chamber ' s ray shields , forcing the three soldiers to resort to other means . Hardcase manually walked one of his starfighter ' s missile pods through a service door into the reactor room , sacrificing himself by driving the missile pod into the reactor . The resulting explosion consumed the supply ship and its crew and lit up the Umbaran skies ; it could even be seen from the surface through the clouded atmosphere . The supply ship ' s destruction enabled the Republic to conquer the capital and thus retake Umbara . The Separatist stronghold of Serenno , which housed the palatial headquarters of Head of State Count Dooku , was heavily blockaded by the Confederate Navy during the war . Five Separatist supply ships were dedicated to the blockade , along with a considerable number of warships . When Dooku authorized an assault on the planet Dathomir to target his former agent Asajj Ventress , General Grievous brought along a pair of supply ships to support his invasion . They remained in orbit of Dathomir with his invasion fleet , while he personally landed on the surface with a droid battle group aboard C - 9979 landing craft to target the Nightsisters , slewing the entire clan of witches . Around 20 BBY , the war ' s final year , Dooku brought along a pair of supply ships as part of an invasion fleet targeting the planet Scipio , a stronghold of the InterGalactic Banking Clan . Upon arrival at Scipio , Dooku had his forces obliterate the Republic ' s on - world clone trooper garrison and then proceeded to the surface , leaving the super tactical droid Kraken in command of the supply ships and the rest of the fleet . Just as Jedi General Anakin Skywalker arrived with a fleet of Republic Star Destroyers to retake the banks , Dooku returned to his armada in orbit and ordered a retreat from Scipio , and the supply ships joined in the withdrawal from the battlefield by jumping to hyperspace . Behind the scenes . The Separatist supply ship was designed for the and debuted in the episode " Plan of Dissent , " which aired as part of the series ' on November 11 , 2011 . Much of the design of the ship model ' s interior was constructed from existing assets made for previous episodes from the series ' , such as cargo containers from " Senate Murders , " fuel pipe conduits in " The Zillo Beast , " and spot lamps from " The Zillo Beast Strikes Back . " As part of its appearance in " Plan of Dissent , " the supply ship received an entry in the StarWars . com Encyclopedia . Supply ships have since been featured in the episodes " Massacre " and " Crisis at the Heart . " In " Plan of Dissent , " the supply ship aiding the Umbarans was originally a Trade Federation " Lucrehulk " - class battleship . According to Series Supervising Director Dave Filoni , Series Producer George Lucas asked that it be changed to a vessel more clearly affiliated with the Separatists , to show that the Trade Federation was more of a neutral corporation in the Clone Wars . The result was the Separatist supply ship , with its in - universe connection with the " Lucrehulk " - class battleship being that the larger supply ship was more suited for the task .