- "The Battle Droids are Patrolling Underwater, and attacking everywhere!"
- —Flounder, During the Battle of Atlantica
An Aqua Droid was a model of battle droid that able to fight both on land and underwater, While B1 Undersea Droids also Patrolling in the Underwater Paths, They serves as The Undersea Soldiers of the Confederacy of Independent Systems Naval Force.
Aqua Droids was First Used to Patrolling and Fight both on land and Sea. Unwittingly, that Droids were Participating the Siege on Dac, and Later Battle of Atlantica.