Question: The RL-83 Blindicide was produced by Mecar SA of Belgium and was an improved derivative of what man-portable recoilless anti-tank rocket launcher weapon, widely fielded by the United States Army?
Sentence (from "M90 Stršljen"): The RBR-120 mm M90 (nicknamed "Стршљен" or "Stršljen", meaning "Hornet") is a light-weight, single-use, unguided anti-tank rocket launcher.
Relevant evidence: No