The Grand Army of the Republic (GAR), also known as the Grand Army and the Clone Army, was a major branch of the Galactic Republic Military composed entirely of clone troopers, an army of elite soldiers created from the genetically altered template of the Mandalorian bounty hunter Jango Fett. Bred in secret within the cloning facilities of the planet Kamino, the Grand Army was officially formed by Supreme Chancellor Palpatine at the behest of the Galactic Senate in response to the Separatist Crisis which threatened to divide the galaxy between the Republic and the newly born Confederacy of Independent Systems. The members of the Jedi Order were commissioned as high-ranking commanders and generals in the Grand Army, second in authority only to Chancellor Palpatine, who held the rank of Supreme Commander. Under the leadership of their Jedi officers, the Grand Army engaged the Separatist Droid Army on many worlds during the Clone Wars, suffering heavy casualties for three years while restoring Republic sovereignty to numerous rebellious areas throughout the galaxy.

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