DENVER -- Chief of Space Operations Gen. Chance Saltzman expanded upon his three lines of effort for "Competitive Endurance" at the Air and Space Forces Association Warfare Symposium on Tuesday. “The title is intended to capture the notion that we are in a state of competition with our pacing challenge,” Saltzman said, “and that remaining in that state is preferrable to the alternative states of crisis or conflict.” The lines of effort -- fielding combat-ready forces, amplifying the guardian spirit...