The Air Force's assistant chief of staff for strategic deterrence has expressed confidence in the B61-12 tail kit assembly being developed by Boeing, saying the program is "well run, well engineered, on time and on cost" and exemplifies the service's ability to pursue an affordable nuclear modernization agenda. The general's comments come after a series of successful separation and captive-carry flight tests. The program is moving toward a critical design review and flight testing of the complete assembly later this...