Tsar Bomba (RDS-220 hydrogen bomb) - 50Mt
It was exploded by the Soviet Union on 30 October 1961 over Novaya Zemlya Island in the Russian Arctic Sea.
B41 nuclear bomb - 25Mt
The prototypes were test fired during Operation Hardtack Phase I in 1958.
TX-21 "Shrimp" (Castle Bravo) - 14.8Mt
The TX-21 "Shrimp" thermonuclear weapon was exploded by the US on 1 March 1954 during its biggest ever nuclear weapon test, Castle Bravo, at Bikini Atoll in the Marshall Islands
Mk-17/EC-17 - 10Mt to 15Mt
It was also the first operational hydrogen bomb of the US Air Force.
Ivy Mike H-Bomb - 10.4Mt
This bomb was dropped on Hiroshima.
Mk-36 nuclear bomb - 10Mt
The Mk-36 was designed to be airdropped using two parachutes.
B53 (Mk-53) - 9Mt
The B53/Mk-53 was the oldest and one of the highest yield nuclear bombs in the US inventory.
Mk-16 (TX-16/EC-16) nuclear bomb - 7Mt
The Mk-16 hydrogen bomb was the only liquid fuel thermonuclear weapon ever built by the US. It was built in Experimental/Emergency Capability
Mk-14 / TX-14 - 6.9Mt
The Mk-14, which was the first fielded solid-fuel thermonuclear weapon of the US, yielded 6.9Mt when it was exploded during the Castle Union nuclear test in April 1954. The bomb used a non radioactive isotope of lithium (Li-6) instead of tritium.
