NAVAL AIR STATION SIGONELLA, Italy (Sept. 8, 2021) American Airlines flight crew complete the boarding process of evacuees from Afghanistan on a Boeing 777 aircraft before departing for the U.S. from Naval Air Station (NAS) Sigonella, Sept. 8, 2021. NAS Sigonella is supporting the Department of State mission to facilitate the safe relocation of U.S. citizens, Special Immigration Visa recipients and vulnerable populations from Afghanistan. (U.S. Navy photo by Mass Communication Specialist 1st Class Kegan E. Kay)