Don't underestimate the difficulty of assembling something you specified as a bunch of parts, even when you work with a known manufacturer of "kits". Training a

Don't underestimate the difficulty of assembling something you specified as a bunch of parts, even when you work with a known manufacturer of "kits". Training a team to do it more than once is another challenge. Anyone who has assembled flat pack furniture knows only a little bit of the frustration of assembling as complex a item as a plane.