This image is in the public domain in the United States because it is ineligible for copyright. Pictures taken by U.S. military personnel as part of that person's official duties are ineligible for copyright in the United States. The photographers of the Abu Ghraib prisoner abuse photos have asserted this was the case under oath.
This image is a work of a U.S. military or Department of Defense employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States.