Moving the US Coast Guard from the Department of Transportation to the Department of Homeland Security did not remove its navigation-support duties. Buoys and other navigation markers remained part of its responsibilities. Those tasks support the everyday use of US waterways alongside the service's security and wartime roles.
Notable Point · 3:12:26-3:12:51
The Coast Guard's continuing navigation duties
The Coast Guard retained navigation-support responsibilities when it moved from Transportation to Homeland Security.