Safe From Deadly Bombs
The team observed many details about the island’s structure thanks to the laser technology they had. They recognized structures on the island that remained intact all these years and found that the people who did the construction on the island made sure everything was bomb-proof.
There was a tunnel under the island with trustworthy ventilation shafts, and they were still in excellent condition as of 2019. Many have forgotten about this part of the island, up until some talented researchers discovered it again. It makes you wonder if the military would want to use the island in the future.