As the Air Force envisions a future in which a network of small bases in austere locations allows airmen to swiftly plug in and out of operations, service officials are calling on the Army to bulk up its portion of air base defense. “I would feel more confident if we had a more robust, active base defense, quite frankly,” Air Force Chief of Staff Gen. David Allvin told reporters at the Pentagon recently. “That’s one of those where we’ve been...