The '''B61 nuclear bomb''' is a [[nuclear weapon]] designed in 1963 intended as a response to the arms race of the [[Cold War]], until 1968 it was known as the '''TX-61''' and was built in [[Los Alamos National Laboratory]]. The production of this weapon was started in 1965 and has approximately 3,155 versions which was built. Basic weight of the weapon is about 700 lb (320 kg). | The '''B61 nuclear bomb''' is a [[nuclear weapon]] designed in 1963 intended as a response to the arms race of the [[Cold War]], until 1968 it was known as the '''TX-61''' and was built in [[Los Alamos National Laboratory]]. The production of this weapon was started in 1965 and has approximately 3,155 versions which was built. Basic weight of the weapon is about 700 lb (320 kg). |