U.S. Marines wade ashore at the Kin Blue Beach Training Area. U.S. Marines from the 31st Marine Expeditionary Unit wade ashore at the Kin Blue Beach Training Area in Okinawa, Japan, on Feb. 11, 2007. The Marines are participating in an on-load and offload exercise while under way for spring patrol with amphibious assault ship USS Essex (LHD 2). SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 116570-I-ALE23-736.jpg Photo Gallery