Most of the upgrade's run in the several million dollar range and a new heavy bomber, design, development, testing, would probably be in the billion range.

1760 in the bay was something we wanted to do for quite some time. Just had to get the contract approval and funds to do it. Myself, after 4 years in the USAF, I ran the lab (System Integration Laboratory) SIL, for Boeing, that integrated almost all of the weapons mentioned here for 28 years