Six months after the Air Force's cyber mission forces declared full operational capability, one official said the service faces significant challenges as it looks to institutionalize and sustain its cyber operators. "There's a ton of work for us to continue to do to build the sustainment piece . . . to make sure that we're lethal," Brig. Gen. Timothy Lunderman, the Air National Guard assistant to the Air Forces Cyber commander, said Nov. 1 at Fifth Domain 's CyberCon. "We're...