govSep 18, 2026
DOW-UAP-D122, AAWSAP DIRD, Invisibility Cloaking Theory and Experiments, March 2010Department of War29 pagesSep 18, 2026RELEASE-06-FILE-027-DOW-UAP-D122-AAWSAP-DIRD-INVISIBILITY-CLOAKING-THEORY-AND-EXPERIMENTS-MARCH-2010
This reference distinguishes camouflage, transparency, and cloaking before reviewing metamaterial theory and experiments. It concludes that perfect cloaking is impossible under the described requirements, while limited imperfect cloaks may be feasible within bandwidth and fabrication constraints.

