Filed to:air force research laboratory A group of protestors march in front of the General Accounting Office (GAO) 29 March to raise awareness about an examination being conducted by the GAO for documents about a weather balloon crash at Roswell, N.M. in 1947. (Photo: JOSHUA ROBERTS/AFP, Getty Images) To sign up for our daily newsletter covering the latest news, features and reviews, head HERE. For a running feed of all our stories, follow us on Twitter HERE. Or you can bookmark the Gizmodo Australia homepage to visit whenever you need a news fix. The U.S. Department of Defence spent close to half a million dollars — at least $US466,810 ($607,273) — on fringe science research, in the hopes of someday creating an aircraft that bends the laws of physics. That news comes via a new report from the War Zone, which recently acquired DoD documents via a public records request as part of a continued investigation into the defence community’s investment in experimental technologies.