"We hold our students responsible for academic integrity. Then and now, we trust them to uphold high standards of academic integrity unless there is reason to believe otherwise," Army War College spokeswoman Carol Kerr said in the statement.
According to the New York Times, Walsh plagiarized large portions of the paper.
When asked about the allegations by the Times, Walsh said he "didn’t do anything intentional here."
According to a Walsh aide, Walsh was dealing with personal issues while working on the assignment — a member of his Army unit committed suicide a few weeks before the paper was due.