vbush is the user account name of Dr. Vannevar Bush on servers accessible from the Central Intelligence Agency Data system in the interrogation room depicted in the main menu of Call of Duty: Black Ops. Dr. Vannevar Bush was an American electrical engineer. His use in Black Ops most likely is used because of his help in the United States space program during the Cold War, helped to get the first man on the moon and was also involved in MJ-12. Majestic 12seems to be the main reason for his involvement in the storyline.