The 91st Reconnaissance Corps was a division of recon troopers in the Grand Army of the Republic during the Clone Wars. The 91st Reconnaissance Corps was comprised of divisions of clone troopers, and ARF troopers, such as Lightning Squadron. They were led by Jedi General Mace Windu and fought in the Battle of Ryloth and Battle of Anaxes. They later fought under Master Adi Gallia.