what was america's biggest nuclear bomb ever detonated
From the enormous Tsar Bomba, detonated with the force of 3,800 Hiroshima explosions, to the Mk-41, the biggest thermonuclear device ever built by the US, army-technology.com lists the worldâs most powerful nuclear bombs based on explosive power (or yield).sar Bomba (RDS-220 hydrogen bomb) - 50Mt. The RDS-220 hydrogen bomb, also known as the Tsar Bomba, is the biggest and most powerful thermo nuclear bomb ever made.