TY JOUR TI REVIEW OF THE CAPABILITIES OF MODERN UNMANNED AIRCRAFT VEHICLES IN SOLVING PROBLEMS SECURITY KW unmanned aircraft system KW digital technologies KW emergency KW security JO Problems of risk management in the technosphere AU Kalach, A.V. AU Sysoyeva, T.P. AU Davidenko, A.S. PY 2024 IS 2024 PB Saint-Petersburg University of State Fire Service of Emercom of Russia