The Grey Oration is a cornerstone event at the Australian Defence College, recognising the substantial contributions of the late Professor Jeffrey Grey to the field of military history in Australia. As a historian and scholar of profound influence, Professor Grey’s career spanned decades, notably within the Department of Foreign Affairs and the Australian Defence Force Academy (ADFA). His tenure at ADFA left a lasting impact on thousands of cadets and midshipmen, instilling a rigorous understanding of military history's critical role in contemporary Defence.