Ukrainian servicemen conduct test flights of fibre-optic-guided FPV drones as they battle against electronic warfare. Instructor and drone operator Tetiana, call sign “Ruda”, believes the use of the technology is a “a new leap and a new breakthrough”. “It is a radio camouflage for our crews, it does not emit anything, and therefore electronic intelligence means cannot detect or calculate the location of the crew,” she explains. IMAGES AND SOUNDBITES