Prof. Zbigniew Leciejewski received his MS and PhD in Mechanical Engineering from the Military University of Technology (MUT), Warsaw, Poland, in 1981 and 1993, respectively. In 2010, he received his habilitation degree. He is currently Associate Professor at the Faculty of Mechatronics, Armament, and Aerospace, MUT. His teaching and research interests include mechanics, thermodynamics, internal ballistics of gun systems and solid propellant rocket engines, and experimental (closed vessel) investigation of gun propellants and solid rocket propellants.