To reach first delivery of the 787 Dreamliner, Boeing has spent tens of billions of dollars — and it will be years, if ever, before the program turns a profit. Above, Boeing's 787 Dreamliner lifts off at Paine Field for its first flight on Dec. 15, 2009.
A series examining the innovative design and manufacturing of the 787.
Seattle Times aerospace reporter Dominic Gates is covering the first delivery events in Everett.
Structural flaws where the wings join the fuselage caused Boeing to cancel the 787's planned first flight in June 2009.