Clone commando Clone commandos , alternatively known as Republic commandos , were elite clone trooper s of the Grand Army of the Republic . Through their training , the commando s were more lethal and efficient than the average clone soldier of the Galactic Republic . During the Clone Wars , two commando teams — Clone Force 99 and Delta Squad — were organized into squad s of four and deployed on covert missions across the galaxy . History . Six commando units served under Clone Commander CT - 411 ( " Ponds " ) during the Battle of Geonosis where the newly - formed Grand Army of the Republic — an army of clone trooper s supplied to the Galactic Republic by the Kaminoan cloners — engaged the Separatist Droid Army for the first time in the Clone Wars . During the battle , CT - 411 and his commandos served under the leadership of Jedi Master Mace Windu , a leading member of the High Council of the Jedi Order . The Jedi Council later sent Delta Squad to investigate the massacre on Devaron , retrieving Master Halsey ' s and his apprentice Knox ' s bodies . CC - 5576 - 39 ( " Gregor " ) , the clone captain of Foxtrot Group , participated in the Battle of Sarrish . With the Republic routed by the Separatist battle droid s and casualties mounting , Gregor took a shuttle to look for help , but crashed on the remote desert world Abafar . He survived and was pulled from the wreckage by Borkus , a Sullustan male who owned Power Sliders , a diner in the small mining settlement of Pons Ora . Gregor ' s file in the Republic military database listed him as missing in action . He was discovered by Colonel Meebur Gascon and D - Squad , and after regaining his memories , Gregor then decided to assist Gascon and his squad in destroying a rhydonium mining installation being operated by the Separatist . However , he volunteered to be left behind to buy D - Squad time to escape . While putting down an insurrection on Yalvik Prime , Clone Force 99 , also known as the " Bad Batch " , was summoned by Commander Cody during a battle for Anaxes to assist him and Clone Captain Rex in ascertaining the secret behind Admiral Trench ' s strategies . However , matters escalated when Wrecker , the team ' s bruiser , cut off the Yalvik queen ' s stinger with a blade , causing multiple Yalvik males to attempt to mate with the clones . However , the team was able to escape to Anaxes aboard their gunship , the " Havoc Marauder " . Following the rise of the First Galactic Empire , a group of clone commandos founded the Stormtrooper Corps . Known members and units . Clone Force 99 . During the development of the clone army , the Kaminoans experimented with the genetics of the Jango Fett template in an attempt to create super soldier s . While the experiments bore few results , four of the test subjects came together to form Clone Force 99 . Referring to themselves as the " Bad Batch " , they used their " desirable " mutations , along with unorthodox tactics , to accomplish their objectives . The group was led by Clone Sergeant " Hunter " , who was strong and stoic , and had greater combat prowess than most . Providing the teams muscle was " Wrecker " , who was gifted extraordinary strength , though he had a temper . " Crosshair " was the squad ' s no - nonsense marksman , though he didn ' t like working with " regs " , unaltered clones . " Tech " , while not physically imposing , was a gifted strategist and unmatched in the use of technology . Though experimental , they were viewed to be highly effective . Delta Squad . Delta Squad was a Republic commando squad that was dispatched to Devaron and recovered the bodies of a Jedi and his Padawan that had been killed there . The squad was composed of " Boss " , " Fixer " , " Scorch " , and " Sev " . Foxtrot Group . Foxtrot Group , led by Captain CC - 5576 - 39 ( " Gregor " ) , was an elite squad of clone commandos attached to the 212th Attack Battalion . Gregor was reported missing in action at the Battle of Sarrish . Behind the scenes . Clone commandos were first mentioned in indirectly during the Battle of Geonosis . The concept of clone commandos was introduced within the " Star Wars " Expanded Universe novel " The Cestus Deception " and the characters were later heavily featured in the game " " and associated media , as well as a number of other Expanded Universe products . These titles , however , have been re - branded as " Star Wars " Legends and are no longer considered canon . Clone commandos were introduced into " Star Wars " canon through " " , first seen with Delta Squad in " Witches of the Mist . " " Missing in Action " featured CC - 5576 - 39 , specifically referred to as a " clone commando , " but suffering from amnesia and working as a dishwasher .