One was taken down by 12.7 mm ammunition. Clearly the Su-25 was not an extremely robust aircraft. It even has turbojets (hotter exhaust than turbofans) that are

One was taken down by 12.7 mm ammunition. Clearly the Su-25 was not an extremely robust aircraft. It even has turbojets (hotter exhaust than turbofans) that are completely visible from the ground. A bit of armor around the pilot doesn't make an aircraft equivalent to an A-10.