200 Tons US B-1 Aircraft Taking Off With Full Afterburner Bomber Guam Leave a Comment on 200 Tons US B-1 Aircraft Taking Off With Full Afterburner the B-1B Lancer, an aircraft that was conceptualized in 1969, and only entered service in 1984 after much delays over structural modifications and financial constraints. (Visited 2 times, 1 visits today)