I visited NSWC Combatant Craft Division in Norfolk. The high speed boats, including unmanned surface vehicles, are built and tested there. I investigated the recent trends of high speed boats in US and introduced the progress of our USV project. And I visited NSWC Carderock Division in Bethesda, and of course I also visited MASK facility and other basins in DTMB. I surveyed the recent high speed model tests in NSWC, and discussed whether our seakeeping and maneuvering planing boat model tests can be carried out in MASK's facilities. We discussed common interests on planing hulls, and made plans for collaboration studies between NSWC and KRISO.