16.85J/ESD.35J-Sep4,2003 Segment from PBs Home video 21st Century Jet: The Building of 力he777 Part|-17:1220:32(3min30sec) Addresses the technical complexity of aircraft with its many components which interact, requiring the use of mockups, originally physical and now digital, to visualize the interactions16.885J/ESD.35J - Sep 4, 2003 Segment from PBS Home Video 21st Century Jet: The Building of the 777 Part I - 17:12-20:32 (3 min 30 sec) Addresses the technical complexity of aircraft with its many components which interact, requiring the use of mockups, originally physical and now digital, to visualize the interactions