 In Vietnam, 30,000 served.Key Jewish-born scientists ensured that the United States became the first and most dominant hydrogen bomb power, not long after having played key roles in the development of the first atomic bombs.Also known as the Teller–Ulam design that is the nuclear weapon design concept used in most of the world's nuclear weapons colloquially referred to as "the secret of the hydrogen bomb" because it employs hydrogen fusion to generate neutrons.