150504-N-GR655-040 CHANGI NAVAL BASE, Singapore (May 4, 2015) – Republic of Singapore Navy and U.S. Navy 7th Fleet senior naval officers conduct a professional exchange of ideas in a variety of technical and operational topics on board the 7th Fleet flagship USS Blue Ridge (LCC 19) May 4, 2015. The professional exchange aimed to increase theater security cooperation by facilitating bilateral and multilateral military interactions. (U.S. Navy photo by Mass Communication Specialist 1st Class Joshua Karsten)