COLORADO SPRINGS, Colo. -- The head of Air Force Space Command (AFSPC) thinks a liquid oxygen (LOX)/hydrocarbon booster would be best if the United States chooses to pursue a next-generation engine project. "I don't think LOX kerosene is the way to go, certainly LOX hydrogen is a thing of the past," AFSPC chief Gen. William Shelton told reporters Tuesday here at the 30th Space Symposium. "I think all signs point toward hydrocarbon boost, should we decide to do that." The…
