Subject 1157 was the designation of a clone of the Human male Galen Marek, the Sith Lord Darth Vader's apprentice. Subject 1157 was raised in a cloning tank at a cloning facility on the planet Kamino around 1 BBY by the Galactic Empire. A cloning technician monitored his progress and recorded a number of observation logs. Subject 1157 underwent growth acceleration and received genetic memory imprints, and he developed consciousness and later "hallucinations" from the life of Marek. Over time, Subject 1157 was able to access the Force, as his template was able to, and the clone cracked the inside of his tank with Force lightning. During his development, he was frequently sedated after a breach in security, but as his capacity grew and his behavior became uncontrollable, the sedation had no