TK-7624 was the identification number assigned to a stormtrooper belonging to Vader's Fist, which was a legion of stormtroopers under the direct command of Darth Vader. Following TK-4601's request for a transfer to the active combat unit for the duration of the battle on the Tantive IV, TK-7624, along with TK-8332, received orders to guide Princess Leia Organa to Darth Vader. The designation was used to identify him.