【美国核军工管理局网站2006年6月30日报道】经过六年的努力,美国能源部(DOE)核军工管理局(NNSA)已交付第一枚翻新的B61核弹。核弹头翻新计划将延长美国核武库中B61-7型和B61-11型两种战略核弹头的使用寿命。核弹头翻新将有助于确保美国老化的库存核武器能在无须进行地下核试验 [US Nuclear War Administration website reported on June 30, 2006] After six years of efforts, the United States Department of Energy (DOE) Nuclear Military Administration (NNSA) has delivered the first refurbished B61 bomb. The nuclear warhead renovation program will extend the useful life of the two strategic nuclear warheads B61-7 and B61-11 in the U.S. nuclear arsenal. The refurbishment of nuclear warheads will help to ensure that the aging stock of nuclear weapons in the United States does not require an underground nuclear test