The United Launch Alliance launched a Vulcan rocket Tuesday night from Florida as part of the first U.S. Space Force-sanctioned flight.  The 200-foot spacecraft with four rocket boosters lifted

The first two Vulcan test flights last year used a configuration of the rocket with two strap-on boosters to add an extra burst of speed off the launch pad. For this flight, which the Space Force has named USSF-106, the launcher will fly with four solid rocket boosters made by Northrop Grumman.