DOD doesn't need LLNL's B-83... House Democrat Eyes More Powerful Alternative to B-61 Nuclear Bomb Oct. 30, 2013 By Douglas P. Guarino Global Security Newswire WASHINGTON -- A key House Democrat on Tuesday pressed the Obama administration over whether it could use another, more powerful nuclear weapon to defend U.S. allies in Europe rather than making controversial and costly upgrades to the B-61 atomic warhead. The B-61 is a U.S. nuclear gravity bomb stationed in five NATO member nations in Europe. The National Nuclear Security Administration and its contractors are currently in the early phases of a life-extension program for variants of the aging weapon, which administration officials say is urgently needed to ensure they remain safe and reliable. Some Democrats question the administration's position, however. During a hearing of the House Armed Services Committee on Tuesday, Representative Loretta Sanchez (D-Calif.) referenced prior remarks by retired Gen. James C...