Rockwell B 1 Lancer

The project for a new soviet swing wing supersonic heavy bomber which resulted in the tu 160 was instituted in 1972 two years after the rockwell design was selected for the b 1 and in direct response to that programme. Rockwell sekarang bagian dari boeing b 1 lancer n 1 adalah pembom strategis sayap variable sweep empat mesin yang digunakan oleh angkatan udara amerika serikat usaf. B