Diver Finds Strange Underwater Building — Then He Learns What It Actually Is

The container was metal, rectangular, and sealed, but not locked. They brought it to the surface carefully, avoiding damage. On the boat, after drying it off, Ben opened the latch. Inside were papers. Waterproof sleeves, carefully arranged. Some had handwritten labels. Others looked like engineering diagrams. One read: Project Vitrum — Phase II Report, 1972.