Video Shows Earth-Penetrating Capability of B61-12 Nuclear Bomb:

Video Shows Earth-Penetrating Capability of B61-12 Nuclear Bomb: The capability of the new B61-12 nuclear bomb seems to continue to expand, from a simple life-extension of an existing bomb, to the first U.S. guided nuclear gravity bomb, to a nuclear earth-penetrator with increased accuracy. Hans Kristensen, Director of the FAS Nuclear Information Project, and Matthew McKinzie, Director of the NRDC Nuclear Program, analyze these capabilities and potential implications. http://fas.org/blogs/security/2016/01/b61-12_earth-penetration/