150510-N-IY633-082 ATLANTIC OCEAN (May 10, 2015) – ESPS Blas de Lezo (F 103), left, receives fuel from Standing NATO Maritime Group 2 (SNMG2) German oiler FGS Spessart (A 1442), center, as FS Latouche Treville (D 464) makes her approach on Spessart for an underway replenishment during Exercise Dynamic Mongoose. Dynamic Mongoose is an annual anti-submarine warfare (ASW) exercise hosted by NATO Submarine Command aimed at enhancing Alliance ASW ability and techniques. Submarines from Germany, Norway, Sweden, and the United States are participating with surface ships from Canada, Germany, France, the Netherlands, Norway, Poland, Spain, Turkey, the United Kingdom, and the United States. (U.S. Navy photo by Mass Communication Specialist 2nd Class Amanda S. Kitchner/Released)