B2 - HA series super battle droid The B2 - HA series super battle droid was a version of the B2 super battle droid equipped with a cannon arm that could launch either a warhead , or homing torpedo . They were used by the Confederacy of Independent Systems to lead both B1 battle droids and B2 super battle droids into battle . Characteristics . The B2 - HA series super battle droid model was equipped with a cannon arm or homing torpedo . It could be recognized due to a red circle on its left shoulder . The intelligence of this series was upgraded little from standard infantry but served as a much greater threat during direct combat , capable of creating a large blast radius with its cannon attachment . Due to their limited abilities as competent commanders , they often only led small groups of droids or guarded essential locations on the battlefield . The B2 - HA series featured heat exchangers on their back . They were constructed by Baktoid Combat Automata and stood at a height of 1 . 93 meters . History . During the First Battle of Geonosis in 22 BBY , a B2 - HA saw action . It swatted aside its own troops to fire at a Republic All Terrain Tactical Enforcer . Clone trooper CT - 1226 targeted its heat exchangers , and the missile it fired hit a Hailfire Droid . CT - 1226 disabled the B2 with an Electromagnetic pulse grenade and destroyed the droid with his blaster . Early in the Clone Wars , one B2 - HA series super battle droid led troops under Asajj Ventress on the moon of Rugosa . This droid was destroyed by Jedi Master Yoda during the battle . Shortly after , another super battle droid commander was used onboard the " Malevolence " . An OOM command battle droid ordered the commander to destroy a rail jet using its cannon arm , almost killing Padmé Amidala . On Rodia , another super battle droid commander led droid troops to protect the city . This droid used a homing torpedo in an attempt to destroy Jar Jar Binks , mistaking him for a Jedi . This droid was destroyed , alongside his troops , by the Kwazel Maw , " Bogey " . When Nute Gunray was being transported onboard the " Venator " - class Star Destroyer , " Tranquility " , another B2 - HA series super battle droid led a Separatist boarding party . This droid exited a " Droch " - class boarding ship alongside its troops and cleared through a Republic defensive in the " Tranquility " < nowiki > ' < / nowiki > s hangar with its cannon arm . A B2 - HA series super battle droid served as a commander within Nashtah Team during Cad Bane ' s attack on the Republic outpost on the planet Devaron . The droid acted under Bounty hunter Aurra Sing during the battle as they prepared to ambush the outpost . Republic forces , however , managed to burst a nearby dam and flood the invasion force . At least two B2 - HA series super battle droids were present during the CIS occupation of Onderon . One was present during a small skirmish between the CIS droids and the Onderon rebels outside the capital city , Iziz while another was present fighting the same group of rebels when they infiltrated Iziz in an attempt to liberate it . However , both droids were destroyed by the rebels . Behind the scenes . B2 - HA series super battle droids appear in " " multimedia project .