Boeing’s recently opened 777X Composite Wing Center (CWC) in Everett, Wash., contains three of the world's largest autoclaves – each big enough to fit two Boeing 737 fuselages inside.

The facility will manufacture the world's largest composite wings for the 777X, the company's newest commercial jetliner. Boeing has invested more than $1 billion in the Everett site. Production of the 777X is scheduled to begin in 2017, with first delivery targeted in 2020.