 due to many things, not only the second stage, you know, ignition problem, but also the lower atmosphere, low Earth orbit, is actually dragging these satellites down due to increased solar activity. That caused 20 of these spacecraft to de-orbit among the many thousands that Elon Musk and SpaceX has there. But their little acronym, R-U-D, RUD, translates in their world to called Rapid Unchecked Disassembly of the Loss of Those Particular Spacecrafts.