WASHINGTON -- Airman 1st Class Ma Antonette Cabantog, 633d Force Support Squadron food services journeyman, and Airman Yu Yuan, 735th Supply Chain Management Group mission capability apprentice, perform an interview at the Oath of Allegiance ceremony at the White House April 23. The Airmen joined 22 other servicemembers in taking the Oath of Allegiance, becoming American citizens. (Courtesy photo)