Colonel Piotr Wachna, PhD, deputy Dean for Military Affairs, Faculty of Advanced Technologies and Chemistry, Military University of Technology, Warsaw. He graduated from the National Defence Academy in 2012. Former battalion commander as well as commander of the 4th Chemical Regiment in Brodnica in 2021-2022. He was a commander Combined Joint CBRN Task Force in NATO Response Forces in two rotation in 2016 and 2020. In 2003-2004 took part in the “Iraq Freedom Operation” mission.