1. Air Force Research Laboratory, Aerospace Systems Directorate, Edwards AFB, California 93524, United States
2. ERC, Incorporated, Air Force Research Laboratory, Edwards AFB, California 93524, United States
3. Core Center of Excellence in Nano Imaging, University of Southern California, Los Angeles, California 90089, United States
4. Nano Hydrophobics Inc., Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States