ULA launches second Vulcan flight, encounters strap-on booster anomaly

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. One of two solid-propellant strap-on boosters provided by Northrop Grumman suffered an anomaly of some sort during the climb out of the lower atmosphere, but the Vulcan managed to continue on into orbit. More

(Source: SpaceFlight Now - Oct 7)