NASA’s crawlers turn 50 →

Linda Herridge:

NASA’s crawler-transporters, two of the largest vehicles ever built, have carried NASA rockets and spacecraft to the launch pad for the last 50 years. They will continue their legacy as the “workhorses” of the nation’s space program as part of the agency’s journey to Mars.

The crawlers are being modified to carry NASA’s Space Launch System (SLS) with the Orion spacecraft atop it and potential commercial vehicles to their pads to begin space exploration missions. Originally constructed in 1965 to support the agency’s Apollo Program, they also supported the Skylab, Apollo-Soyuz Test Project and Space Shuttle Program, helping NASA push the boundaries of human space exploration farther into the solar system.

These machines sum up everything I love about NASA hardware; they were purpose-built with insane specs.