Kid is going in the wrong direction. That's how we checked the depth, speed and gyro setting spindles. These spindles must be withdrawn whent he muzzle door is open. So the only way we could check to see if the extended properly was to get into the tube (with no drop light) crawl forward, place our hands near where they would extend down. Then someone would shut the muzzle door, lock and extend the spindles. The person in the tube checked to see that they extended properly. Then open door and crawl out. It was a job for the skinny kid usually. Good training for future Cat Scans.