In Accordance With Public Law 110-181 SEC.598; the 2008 National Defense Authorization Act authorized the Secretary of Defense to conduct a program to commemorate the 50th anniversary of the Vietnam War and "in conducting the commemorative program, the Secretary shall coordinate, support, and facilitate other programs and activities of the Federal Government, State and local governments, and other persons and organizations in commemoration of the Vietnam War."
https://www.vietnamwar50th.com/
