It had a heavy laser cannom as its main gun and laser- and anti-personnel cannons as secondary weapons. The AAT was manufactured by Baktoid workshops. Some AATs were customised and used by the Galactic empire and the Alliance to restore the Republic. The Armored Assault Tank, also known as the AAT or AAT-1, was a hover tank used by the Trade Federation during the invasion of Naboo and later by the CIS during many battles of the Clone Wars.