SSA-306 was a Baktoid Combat Automata OOM security battle droid serving the Trade Federation during the Invasion of Naboo in 32 BBY. SSA-306 was one of the battle droids sent to escort Queen Padmé Amidala of the Naboo to the Camp Four prison for processing. On the way there, the droid escort was attacked by Jedi Master Qui-Gon Jinn and his Padawan, Obi-Wan Kenobi, who destroyed all of the droids, including SSA-306.