Oath Ceremony Navy Cmdr. Jonathan Nieman administers the oath of office to Lt. j.g. James Chaney during a promotion ceremony at Naval Base Ventura County, Calif., June 1, 2020. SHARE: Download: Full Size (0.56 MB) Tags: Navy Credit: Navy Petty Officer 2nd Class Michael Lopez VIRIN: 200601-N-TP832-1026C.JPG Photo Gallery