A bill to amend title 10, United States Code, to authorize the Secretary of Defense to accept gifts of money and property for use by the Department of Defense.

Authorizes the Secretary of Defense to accept contributions of money or real or personal property for use by the Department of Defense (DOD) for its programs, projects, and activities.

Establishes in the Treasury the Defense Cooperation Account for the deposit of such contributions. States that contributions of property received under this Act may be: (1) retained and used by DOD in its donated form; (2) sold or otherwise disposed of upon acceptance by the Secretary; or (3) converted into a form usable by DOD. Requires the Secretary to report quarterly to the Congress on contributions received, including a description of all property received having a value of more than $1,000,000.

Authorizes the Secretary to use donated property without specific authorization, with a specified condition.

Authorizes the Secretary of the Treasury to invest money contributions deposited into the Account and to deposit interest on such money into the Account.

Requires the Secretary of Defense to notify the Congress of any condition imposed on the use of any contributions accepted.

Directs the Comptroller General to conduct an annual audit of money and property accepted and to report the results to the Congress.