Naturalization Ceremony Army Pfc. Heber Pereira, a 63rd Brigade Support Battalion communications specialist, repeats the oath of allegiance alongside other newly naturalized U.S. citizens during a naturalization ceremony at Nellis Air Force Base, Nev., Nov. 9, 2012. SHARE IMAGE: Download Image: Full Size (1.51 MB) Photo By: Air Force Airman 1st Class Jason Couillard VIRIN: 121109-F-TT327-077C.JPG Photo Gallery