USS SAN ANTONIO TALK U.S. Defense Secretary Ash Carter talks with U.S. sailors and Marines aboard the USS San Antonio after the ship's arrival in Tallinn, Estonia, June 23, 2015. Carter is in Europe to meet with European defense ministers and participate in his first NATO ministerial as defense secretary. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 560928-E-RFX22-346.jpg Photo Gallery