The group of ex-military lawyers published their memo after The Washington Post released a report on the alleged killing of survivors from a boat strike.
Army Secretary Dan Driscoll posthumously promoted seven second-generation Japanese American soldiers, known as Nisei, to the rank of second lieutenant.
As the Army examines its armor formations under TIC 2.0, it wants to avoid placing them in a potential stalemate, similar to what is being seen in Ukraine.