White House Commission on National Military Appreciation Month Act - Expresses the sense of Congress that: (1) the President should establish the White House Commission on National Military Appreciation Month to make recommendations to the President on the proclamation of National Military Appreciation Month to be celebrated in May of each year; and (2) any such Commission should be composed of specified members.

Expresses the sense of Congress that if such Commission is established, the President should also establish the Spirit of America Alliance to assist the Commission: (1) in the planning, organization, and conduct of an annual White House Conference on National Military Appreciation and other similar events; (2) in the promotion of the observance of such Month and other military commemorative events through appropriate means, subject to any guidelines developed by the Commission; (3) in the establishment of necessary incentives for Federal, State, and local governments and private sector entities to sponsor and participate in programs initiated by the Commission or the Alliance; (4) in the evaluation of the effectiveness of efforts by the Commission and the Alliance in carrying out this Act; and (5) by the performance of any other related duties that are assigned by the Commission.