Military Success in Iraq Commemoration Act of 2007 - States that the Authorization for Use of Military Force Against Iraq Resolution of 2002 (P.L. 107-243) is the basis of authority under which the President launched the invasion of Iraq in March 2003, and that such Resolution authorized the President to use military force against Iraq to defend U.S. national security and to enforce all relevant United Nations (UN) Security Council resolutions regarding Iraq.
Encourages the President to issue a proclamation calling upon the United States to observe a national day of celebration commemorating military success in Iraq.
Authorizes the Secretary of Defense to award grants to state and local governments for suitable activities to commemorate such success.
Directs the Secretary of Veterans Affairs to award to each veteran of Operation Iraqi Freedom a grant of $5,000 to facilitate the veteran's transition to civilian life.