Airman 1st Class David Blackwood, 366th Training Squadron water and fuel systems maintenance student and Jamaica native, Airman 1st Class Vivek Patel, 361st TRS aircrew flight equipment student and India native, and Seaman Olakunle Omodara, 366th TRS civil engineering student and Nigeria native, swear their allegiance to the U.S. during a naturalization ceremony Nov. 8, 2016, in front of their peers and commanders at Sheppard Air Force Base, Texas. (U.S. Air Force photo by Senior Airman Robert L. McIlrath)