1. The two-stage thermonuclear bomb exploded with a yield of about 1.8 megatons. 2. Rocky Flats produced plutonium " triggers " for thermonuclear bombs until 1989. 3. A two stage thermonuclear bomb that had a much more powerful trigger ". 4. Explosions of thermonuclear bombs , however, do emit copious gamma rays into the atmosphere. 5. France developed its nuclear and thermonuclear bombs without outside assistance. 6. The Mark 15 was the first lightweight US thermonuclear bomb . 7. Landau calculated the dynamics of the first Soviet thermonuclear bomb , including predicting the yield. 8. Redwing Cherokee was the first US thermonuclear bomb airdrop test. 9. This happens in an uncontrolled fashion in a thermonuclear bomb . 10. Numerous photographs of various thermonuclear bomb exteriors have been declassified.