Engineering & Infrastructure
Before Liftoff: Surveying, Control, and Alignment at a Launch Complex
How construction control, structural monitoring, precision alignment, and verification support a rocket before it leaves the pad.
From the Index
Tag: Alignment
Reports, histories, and working notes filed under this subject.
Engineering & Infrastructure
Surveying the Iron Road, Part 3: Curves, Grades, Tunnels, and Rights-of-Way
A field guide to the railroad geometry and records that surveyors created—and still recover—along historic corridors.