NATIONAL HARBOR, MD -- The Air Force lacks the resources and manpower needed to fulfill its responsibilities in all combat functions, Air Combat Command chief Gen. Herbert Carlisle told reporters this week. "We cannot meet the demands today of the requirements of any one of our [combatant commands], in just about anything that's asked," Carlisle said in a Sept. 20 briefing with reporters at an Air Force Association conference. "We are short of resources across everything the Air Force does...