Rivian Automotive Inc. marked a pivotal moment Tuesday. Founder and CEO RJ Scaringe drove the first customer-ready R2 electric SUV off the assembly line at the company’s Normal, Illinois, plant. Production of these two-row midsize vehicles has begun in earnest. And deliveries to paying buyers? On track for later this spring. Short punchy fact: No delays. Despite an EF-1 tornado ripping through the facility just days earlier. The storm tore off part of the roof on Building 2, the R2-dedicated section for storage and logistics, as detailed in a TechCrunch report . Scaringe told Bloomberg Television the damage hit the south end. Teams worked around the clock over 72 hours to reroute materials. Production roadmap intact. Scaringe didn’t mince words in Rivian’s official announcement. “We are really excited to be producing R2 for our customers,” he said. “The vehicle is incredible — it’s the result of all the hard work and dedication of the Rivian team.…