By then, a total of 100 were built and 3 were lost as the result of accidents. B-1B was the first stategic bomber to employ the stealth technology. B-1A's was 10 sq. 16900 kg, including AGM-69 SPAM or B83 nuclear bombs. The fuselage is sqaure with rounded edges and a tall tail fin.
Square windows run along either side of the fuselage.
High-set wing is unswept with square tips. Unswept tail plane is set at the base of the fin. Landing gear with nose wheel is retractable.