The U.S. Coast Guard has established security zones around
passenger vessels and vessels carrying Certain Dangerous Cargo (CDC) while they are in the navigable waters of the Captain of the Port (COTP) Hampton Roads zone
. When within 500 yards of such vessels, other vessels must operate at the minimum speed to navigate safely. Other vessels may not operate within 100 yards of such vessels. The rule comes into effect immediately. 69 Fed. Reg. 40768 (HK Law).