Loading All 0 - 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Letter O Lieutenant Colonel Philip O'Callaghan Acting Assistant Chief of Staff Joint Expeditionary Force, Standing Joint Force Headquarters UK Dr. Fernando Obelleiro Professor, University of Vigo Hajo den Ouden Scientist Innovator, TNO Sine OZKARASAHIN Trainee at the Maritime Domain Unit (MDU), European Defence Agency