The U.S. Naval Undersea Warfare Center (NUWC) Keyport will be conducting research and testing on the Keyport Range Naval Operating Area from 0730 to 1800 local time daily during the months of Feb and Mar 12.
Testing will involve moving vessels from Keyport Naval Base to Brownsville, WA and back to Keyport. Support craft and divers will be assisting and flying Code Alpha flags. All mariners are requested to not approach within 500 yards of support craft. VHF-FM Ch 16 will be monitored. Keyport range is a restricted area and mariners are advised to review Note "A" and the caution note on chart 18446.