The Truman Project's stated mission is to develop smart national security solutions that reinforce strong, equitable, effective, and nonpartisan American global leadership.
It says its network includes 2,000 veterans, frontline civilians, policy experts, and political professionals.
[3][4][5] The Project provides training and messaging programs on national security issues for congressional and executive agency staff in Washington.
It has received grants from Herbert and Marion Sandler, Carnegie Endowment for International Peace and the Ploughshares Fund.
[9] According to Tablet Magazine, some progressives are uncomfortable with the Truman Project’s pro-military stance which they describe as "Republicanism lite".