2022. 6. 17. · Forty feet underground is the actual residence, set in a decommissioned missile silo My boss and I drove past them a few weeks ago to see if we could actually still see the silos but, they now look like a giant, grassy depression in the ground Concrete storage silos For Sale - Aggregate Systems is a complete online source for new and used asphalt plant equipment 75.. Deep Springs, CA, 37°22′ N 117º 59.3′ W. saucer base. 18. Fort Irwin, CA, 35°20’N 116°8’W W. saucer base. 19. Edwards Air Force Base, in the area where Diamond Cr. & the so. fork of the Yuba meet, there are 3 underground UFO bases. 34°8′ N 117° 48′ W. 20. George Air Force Base, CA – saucer base. 21.