Lesher, a male Advozse, held the rank of captain within the Republic Army. He commanded the Fifty-third Armored Platoon, a tank unit, during the Galactic War fought against the Sith Empire after its resurgence. In the year 3640 BBY, he played a crucial role by leading his platoon, in conjunction with Captain Marshall's Eighty-first Infantry and Lieutenant [Coria]'s Safecrackers, to support Havoc Squad's offensive on the Bastion. The objective of this assault was to seize General Arkos Rakton, a prominent military figure and brilliant strategist within the Empire's ranks.