New Air Force Chief of Staff Gen. Kenneth Wilsbach on Tuesday pledged to focus on modernizing the service’s fleet, improving the readiness of both its aircraft and airmen and strengthening how well it works with other services and allies. “Being able to deliver [airpower] when called upon demands a constant focus on readiness,” Wilsbach said during the assumption of responsibilities ceremony at Joint Base Andrews in Maryland. “Airmen or aircraft that are not ready to fight undermines our