This book contains papers presented at the NATO Advanced Research Workshop titled "Application of Gun and Rocket Propellants in Commercial Explosives". (SST.ARW975981) The workshop was organized in collaboration with codirector Dr. Bronislav V. Matseevich (KNIIM) and held in Krasnoarmeisk, Moscow Region, Russia, October 18-21, 1999. About 70 participants from 11 different countries took part in the meeting (Russia, Belarus, Czech Republic, Germany, Belgium, China, USA, Spain, Israel, Ukraine and the Netherlands). The workshop was principally the continuation of a previous NATO workshop on Conversion Concepts for Commercial Application and Disposal Technologies of Energetic Systems" held at Moscow, Russia, May 17-19, 1994 in the specific area of the reuse of gun and rocket propellants as ingredients in commercial explosives. Oldrich Machacek Vll ACKNOWLEDGMENTS I would like to thank Dr. B.V. Matseevich, Director of the Krasnoarmeisk Scientific Research Institute of Mechanization ("KNIIM") for his extensive involvement as co-director in organizing the Advanced Research Workshop in Krasnoarmeisk, Russia. Special thanks goes to Dr. V.P. Glinskij, Dr. LV. Vasiljeva and A.I. Fedonina from KNIIM and Dr. B. Vetlicky for invaluable assistance in preparation and the smooth operation of the workshop.