Anti-Tank Flamer Attachment - Kill the Enemy Ace in East Bank of Vasel EX Hard Skirmish. Near the center of the map and in the center of the Imperial's central force.
Anti-Tank Sniper Rifle - Kill the Enemy Ace in Marberry Shores EX Hard Skirmish. Ace is wearing Gallian attire in the small base separating the beach from the interior.
Imperial Anti-Tank Lance - Kill the Enemy Ace in Naggiar Plains EX Hard Skirmish. She's atop a sniper tower equipped with an AT Lance.