Granite Peak, Dugway
Granite Peak is a restricted sub-installation within Dugway Proving Ground in Utah, surrounded by 388th Range Squadron radar stations, threat emitter systems, and sensor infrastructure operated out of Hill Air Force Base. In UAP research, Granite Peak is alleged to sit directly above the primary entrance to Dugway Proving Ground's deep underground military base (DUMB) — with satellite imagery and witness testimony identifying a small, inconspicuous surface building near the area as an elevator shaft concealed within a structure that provides the sole personnel-access entry point to the underground facility.
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Physical Description and Infrastructure
Granite Peak is conspicuously absent from Dugway Proving Ground visitor guides and public facility maps despite being a significant installation. The 388th Range Squadron infrastructure surrounding the peak includes radar tracking stations and threat emitter arrays — the same assets used for advanced aerospace testing across the Utah Test and Training Range (UTTR). This layered sensor environment serves both the official mission of range safety and threat simulation, and — according to UAP Gerb's analysis — the security of clandestine operations below ground.
Alleged Deep Underground Military Base
According to witness "GP," a senior Department of Defense chemist who claimed to work in legacy operations at Dugway, the underground facility at Granite Peak:
- Spans approximately 1,300 square miles beneath Dugway's surface footprint
- Is located primarily beneath Granite Peak at an undisclosed depth
- Is accessed via a single personnel-only elevator shaft concealed within a small surface building identified in satellite imagery between Avery Technical Center and the UTTR southern area
- Receives no logistics or materiel through the surface entrance — all supplies, equipment, and food are transported internally via an underground maglev light rail system connecting the facility to other DUMBs nationwide
UAP Gerb notes that Steven Greer independently identified the same surface entrance location on the Disclosure Project Archive prior to this witness's identification.
Witness MS Encounter
In 2009, contractor and former Navy serviceman "MS" — employed at Dugway by C Martin Company — accidentally entered an unmarked building at Avery Technical Center, where he observed a hovering seamless disc craft approximately 10 feet tall. After being interrogated for six hours, MS later spoke with GP, who confirmed the craft was extraterrestrial and provided details about Granite Peak's underground infrastructure, including the maglev tunnel network.