Senators are flagging potential schedule problems for two nuclear weapon modernization programs and want the Defense Department and National Nuclear Security Administration to better align their work. The Senate Armed Services Committee's version of the fiscal year 2019 defense policy bill calls for a proposal to synchronize the warhead modernization programs run by NNSA with the delivery vehicle programs run by DOD, including the B61 gravity bomb and its warhead as well as the W80-4 warhead, to be used in...
