In 2037, the development of a new modification of the B61 bomb was to be launched. In 2050, the B61 Mod 13 was to enter service.
Such plans remained valid until now, but on October 27, the Pentagon officially announced the adoption of a new plan. It is reported that in recent months, specialists of the military department and NNSA have been studying the current situation and scenarios of its possible development, as well as looking for ways to further develop nuclear weapons.