Lt. Cmdr. Damien Yemma, center, prepares a witness to give an oath of affirmation Wednesday, Feb. 15, 2017, during the final S.S. El Faro Marine Board of Investigation hearing in Jacksonville, Florida. Every witness queried has been asked to swear an oath to honesty prior to providing testimony to the MBI panel. U.S. Coast Guard photo by Petty Officer 2nd Class Anthony L. Soto