Oath of Allegiance Sailors and civilians take the oath of allegiance during a naturalization ceremony aboard the Japanese Memorial Ship Mikasa in Yokosuka, Japan, June 2, 2021. The seven are originally from Cote d’Ivoire, the Philippines, Sierra Leone and Taiwan became naturalized citizens of the United States. SHARE: Download: Full Size (2.85 MB) Credit: Navy Petty Officer 2nd Class Tyler R. Fraser, Navy VIRIN: 210602-N-HH215-1012C.JPG Photo Gallery