It wouldn’t be until their accelerated-aging process made them too old to serve in the Stormtrooper's ranks and forced the Empire to start using human-born recruits.
When the Republic was eventually redesigned as the first Galactic Empire by Chancellor Palpatine, the Clone Troopers were conscripted into the Imperial Army and became the first Stormtroopers.
They began as clones with the sole purpose of becoming a Grand Army of the Republic. The Empire created Stormtrooper variants to match the details of every mission, to operate in any environment, and to succeed whatever the cost. RELATED: Star Wars: 5 Traits Anakin Kept From His Youth (& 5 He Outgrew) These soldiers are recruited, trained, and dispatched to police the galaxy and enforce Emperor Palpatine’s iron will as the most visible symbol of Imperial martial law. In the Star Wars universe, the Empire’s supremacy is most visible in the rows upon rows of its white and black infantry, the Stormtrooper Corps.