> The difference in technology likely plays a large role - these parts were designed without CAD and modern fabrication protocols have changed. Actually, the B

> The difference in technology likely plays a large role - these parts were designed without CAD and modern fabrication protocols have changed. Actually, the B-2 was one of the first military aircraft designed with CAD. https://www.northropgrumman.com/wp-content/uploads/B-2-Spirit-of-Innovation.pdf https://www.northropgrumman.com/wp-content/uploads/B-2-Spiri... (search for "NCAD")