ORLANDO, FL -- Despite Russia's invasion of Ukraine, "the pacing challenge remains China" when it comes to the Biden administration's forthcoming National Defense Strategy, Air Force Secretary Frank Kendall said today. Still, he stressed that Russia’s actions are a reminder that “great power conflicts could happen,” and that the latest events don’t leave “much doubt about the possibility of major-power acts of aggression at this point.” Kicking off the Air Force Association’s Warfare Symposium here today, Kendall told conference attendees...