<Li> 1954 - February - The United States detonates its first deliverable thermonuclear weapon at Bikini Atoll , Marshall Islands . The device had a yield almost three times as large as expected , leading to the worst radiological disaster in US history . </Li>
<Li> 1954 - February - The United States detonates its first deliverable thermonuclear weapon at Bikini Atoll , Marshall Islands . The device had a yield almost three times as large as expected , leading to the worst radiological disaster in US history . </Li>
what type of nuclear bomb was developed by the united states in 1954
what type of nuclear bomb was developed by the united states in 1954
thermonuclear weapon
thermonuclear weapon