Sept. 16, 2019 Acting SecAF Donovan highlights progress in achieving ‘Air Force We Need’ in speech at Air Space Cyber Conference The Air Force, Donovan said, is making progress even as it copes with new threats and shifting geopolitics. The Air Force is “digging out of the readiness hole” while also embracing the creation of the Space Force as a new and separate branch of the U.S. military.