By thirty-seven seconds after liftoff, it was clear one of two strap-on solid fuel boostersvwas suffered an anomaly as can be seen by sparks and debris falling away from the rocket. Image: Adam Bernstein/Spaceflight Now
United Launch Alliance fired off a next-generation Vulcan rocket Friday in the second of two “certification” test flights needed before the new launcher can be used to carry high-priority national security payloads for the U.S. Space Force and the National Reconnaissance Office.