 camera cover got stuck halfway open and they couldn't use it anymore. And so they spent the last six months troubleshooting this thing and they finally got the, they shook the arm basically and got the cover to open so that they could use this camera and spectroscope. However, with the cover stuck open, they can't focus the camera and spectroscope anymore. So the way they're going to focus it is, and they spent a few months of two using the robot arm to find out the precise distance that