HOLLOMAN AIR FORCE BASE BY SUNSET, NM
Is this an entrance to an underground base? Ventilation shaft for underground base? Are there Dulce-like ayylmaos under Holloman and Sunspot?
https://www.google.com/maps/place/Holloman+AFB,+NM+88330/@32.8452056,-106.0891436,121m/data=!3m1!1e3!4m5!3m4!1s0x86e05c343376eabd:0xaed4091d6eaea12f!8m2!3d32.8440404!4d-106.099291