A military unit of the central Vietnamese of Da Nang on Wednesday began the implementation of a plan to ensure safety and security for the upcoming visit of an aircraft carrier-led group of U.S. Navy ships.

The security measures for the March 5-9 visit by the nuclear-powered aircraft carrier USS Carl Vinson, the guided missile cruiser USS Lake Champlain and the destroyer USS Wayne E. Meyer were adopted during a meeting held by the municipal border soldier unit, according to Vietnam’s Government Information Facebook page.

Several agencies have been assigned separate tasks to secure all activities, from immigration and surveillance to security and safety, for the visiting warships.

Under a program approved by both the Vietnamese and U.S. governments, the aircraft carrier, with a crew of more than 5,000, will dock in Da Nang for a five-day visit from Monday next week.

The historic visit, the first time for a U.S. aircraft carrier to be in Vietnamese waters since the war ended in 1975, was announced in January, when U.S. Secretary of Defense James Mattis visited Hanoi, his first trip to Vietnam since assuming his post.

International media are referring to the upcoming visit as the largest military presence by the U.S. in Vietnam since 1975.