Hayward lived and worked in the United Kingdom from 2004 to 2012 first teaching strategy and operational art at the Joint Services Command and Staff College. In November 2005 he became the head of the newly created Air Power Studies Division, a specialist unit of Defence Studies academics established by the Royal Air Force and King's College London at the Royal Air Force College, Cranwell. Hayward was appointed Dean of the RAF College, Cranwell in April 2007. He was a Director of the Royal Air Force Centre for Air Power Studies, the Air Force's national thinktank. He was also a member of the CAS Air Power Workshop, a small and highly select working group of scholars and other theorists convened by the Chief of Air Staff (the head of the Royal Air Force.)