"The airplane bombs are particularly vexing, said Oleksiy Melnyk... at the Razumkov Center, a Kyiv-based think tank. Their old, heavy iron construction makes them difficult to intercept because air defense missiles are designed to strike thinner targets" https://www.washingtonpost.com/world/2023/09/13/russia-drones-bombs-ukraine-counteroffensive/
Original tweet: https://twitter.com/shashj/status/1701884539285512404