Vulcan rocket’s debut brings long-awaited challenge to SpaceX dominance
By Joey Roulette WASHINGTON (Reuters) – (This Jan. 10 story has been corrected to clarify the payload capacities of SpaceX’s Falcon 9 and Falcon Heavy rockets in paragraph 12. A previous version erroneously stated that the two rockets have identical payload capacities) A Boeing-Lockheed joint venture’s launch of a new Vulcan rocket this week inaugurated…