Geonosis Assault Legacy Battle Pack, works with Republic Gunship. Clone pilot, Bubble-turret cannon spheres.
Source:Attack Of The Clones
Clone troopers arrive on Geonosis in Republic gunships. They swoop down to support the Jedi in the Geonosis arena who are under attack by Geonosian warriors and battle droids. Troopers in armored spheres operate the bubble-turret cannons that extend from the troop cabins, spraying the enemy with laser fire, in this opening salvo of the Clone Wars.