Bonnie Antoun, Sandia National Laboratories, Livermore, USA. H. Jerry Qi, University of Colorado, Boulder, USA. Richard Hall, AirForce Research Laboratory, Wright-Patterson Air Force Base, USA. G.P. Tandon, University of Dayton Research Institute, Dayton, USA. Hongbing Lu, University of Texas-Dallas, Dallas, USA. Charles Lu, University of Kentucky, Paducah, USA.