Arlington Honors Lt. Gen. Olivier Rittimann, left, commandant of the NATO Defense College, and Col. Piotr Bieniek, class president of NATO Defense College Senior Course 142, participate in an Army Full Honors wreath-laying ceremony at the Tomb of the Unknown Soldier in Arlington National Cemetery, Arlington, Va., April 17, 2023. SHARE: Download: Full Size (4.3 MB) Tags: army, nato Credit: Elizabeth Fraser, Army VIRIN: 230417-A-IW468-791.JPG Photo Gallery