H-Gamma Squadron was a TIE/ad starfighter unit in the Imperial Navy during the Galactic Civil War. It was part of a fleet under the command of Admiral Harkov. When Harkov defected to the Alliance to Restore the Republic in 3 ABY, the squadron defected as well. H-Gamma was the only TIE advanced squadron in his fleet. It fought the forces of the Galactic Empire during the Battle of Ottega, but was destroyed.