The Impeding Assault Tank (IAT), also known as the Umbaran crawler tank, was a crawler tank created by the Umbaran people that looked like a giant mechanical centipede. It was used during the Battle of Umbara, a conflict that occurred during the Clone Wars when Republic forces attacked Umbarans on their home planet who had sided with the Separatist Alliance.
- (First mentioned, as "Umbaran crawler tank")
- (First identified as Impeding Assault Tank)
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