Rev. Ignatius Maternowski is believed to be the only American chaplain to die on D-Day.
It is clear, the letter says, that Woodson did not receive the medal during World War II "because of the color of his skin."
The statue at Utah Beach is the first one located outside the United States.
Historian Rob Citino describes the most perilous jobs American troops performed to help make D-Day a WWII turning point.
"While the intent to invade could not be concealed, the location had to be if there was going to be any chance of success."
President Trump on Thursday lauded the heroism of American and Allied service members who participated in the D-Day invasion.
President Trump read from a prayer delivered by President Roosevelt as he joined other world leaders in marking D-Day.
As the sun rose Thursday over the Normandy coastline, a fast-diminishing number of World War II veterans remembered D-Day.
"The question is, would a different deployment of the Panzer units have affected the outcome of D-Day?"
The web site contains more than 250 million global military records, from pension rolls to enlistment registrations.