caption serviceyears branch commands birth_place allegiance birth_date rank image article_title name
acm in 2009 giagkos with visiting saceur adm james g. stavridis 1974-2011 20px hellenic air force hellenic air force chief force general staff commander of caoc-7 of national defense general staff chief of air trikala greece 1951 20px air chief marshal file hndgs , acm ioannis giagkos , 2009.jpg : saceur admiral james stavridis with chief of ioannis giagkos
 ioannis giagkos
ioannis giagkos

air chief marshal ioannis giagkos -lrb- , born 1951 -rrb- is a retired greek air force officer and a former chief of the national defense general staff of greece .
