Preparation
Sims and his colleagues built electrical lines to make sure that they could illuminate anything inside the hatch. They also put a black pipe into the fresh air to filter. They finally achieved their ultimate goal. The question of the underground cavern would be solved more than 50 years later.

Preparation
Ready To Go
It looked much better than they started after the team widened the entrance. And despite the Arizona heat, they worked hard and hit the part they needed most. Finally, John felt safe enough to check his backyard hunt. Everyone was waiting for this moment, in particular, John. Eventually, it was time to enter.

Ready To Go