Mayport Visit Defense Secretary James N. Mattis speaks with sailors during a surprise visit to Naval Station Mayport, Fla., Dec. 21, 2017. Mattis used the visit as an opportunity to answer sailors’ questions, show his support and personally thank those who will be standing watch during the holidays. Navy photo by Petty Officer 2nd Class Michael Lopez SHARE: Download: Full Size (1.87 MB) Credit: Seaman Michael Lopez VIRIN: 171221-N-TP832-023Y.JPG Photo Gallery