In 1998, after a high level review by the Department of Defense (DoD) and through the efforts of Richard B. Fitzgibbon's family the start date of the Vietnam War according to the US government was officially changed to 1 November 1955.
Pada tahun 1998, setelah ulasan tingkat tinggi oleh Departemen Pertahanan (DoD) dan melalui upaya keluarga Richard B. Fitzgibbon, tanggal mulainya Perang Vietnam menurut pemerintah AS secara resmi diubah menjadi tanggal 1 November 1955.